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BRESSER Pluto 114/500 EQ3 Reflector Telescope with Smartphone Adapter & Solar Filter

... zum BRESSER Teleskop Pluto 114/500 EQ mit Smartphone Kamera Adapter

Von Heiko Körbächer im Januar 2018

Pluto

Modifizierter Okularauszug mit DSLR

Pluto

Pluto/s auf T

Das Bresser Pluto/s habe ich vor gut zwei Jahren gekauft, um meinen Kindern Sonne, Mond und Sterne zu zeigen. Ich hatte mich zwar ganz allgemein schon etwas für Astronomie und Raumfahrt interessiert, aber von Teleskopen hatte ich keine Ahnung. Das Bresser Pluto/s als Newtonteleskop habe ich ausgewählt, da „Spiegelteleskop“ sich für mich nach Hubble und damit „wissenschaftlich“ anhörte. Außerdem machte es für den Preis einen stabilen Eindruck und hatte, meiner Meinung nach, eine Ausstattung, mit der man gleich loslegen konnte.

Dinge wie Krater auf dem Mond, Jupitermonde, Venusphasen oder die Saturnringe vor den eigenen Augen zu haben, ist auch für Kinder ein anderes Erlebnis, als sie nur am Bildschirm oder in einer Zeitschrift zu sehen. Und das macht das mitgelieferte Zubehör, wie z.B. mehrere Okulare, schon möglich. Auch die Andromedagalaxie, die visuell oft kaum oder nur verwaschen sichtbar ist, sieht man durch die gute Lichtstärke (f/4,4) des Pluto/s schon als deutlichen Nebel.

Der größte Nachteil bei der Himmelsbeobachtung war - nein nichts am Pluto - sondern das Wetter. Leider hält sich unser mitteleuropäisches Wetter nicht immer an Wochenenden, Ferien oder die spontane Idee von Kindern mal eben im Teleskop den Orionnebel anzuschauen. Daher kam bei mir bald die Idee auf, das was man durch’s Teleskop sehen kann, aufzunehmen, damit man es später wieder anschauen und zeigen kann (z.B. am nächsten Morgen, weil die Kinder ins Bett müßen). Das wäre ja dann auch irgendwie „selbst gemacht“.

Deshalb kaufte ich mir vor ca. einem Jahr zusätzlich eine sogenannte Mond- und Planetenkamera. Über die 1,25“-Steckhülse war die Anpassung an den Okularauszug und die Fokussierung kein Problem. Der Okularauszug hat sogar genügend Backfokus um mit einer Reduzierlinse die Brennweite auf das 0,63-fache zu reduzieren. Dies, hatte ich gelernt, ist hilfreich, um z.B. den Vollmond oder die Sonne ganz auf den kleinen Chip einer Planetenkamera zu bekommen.

Erste Versuche waren, nun ja, ernüchternd. Trotz bester Versuche zu fokussieren, waren meine Aufnahmen flau und verwaschen. Ein Newtonspiegelteleskop soll man, so hatte ich gelesen, von Zeit zu Zeit rejustieren, besonders wenn man etwas rauer damit umgeht und es oft bewegt. Das Pluto ist über Justierschrauben an Haupt- und Fangspiegel voll justierbar, was nicht bei allen Spiegelteleskopen in der gleichen Preisklasse der Fall ist. Mit einem kleinen Justierlaser, den ich mir kaufte und etwas Anleitung aus dem Internet hatte ich das dann auch gut hinbekommen. Die nächste Aufnahmen waren besser und ich hatte jetzt Blut für die Astrofotografie geleckt.

Hier hat es sich als Vorteil erwiesen, daß das Pluto mit parallaktischer Montierung ausgeliefert wird . Die EQ-Sky-Montierung, die mit dem Pluto angeboten wird, ist meiner Meinung nach deutlich stabiler als die EQ-1, die bei anderen Spiegelteleskopen der gleichen Größenklasse mitkommt. Sie hat z.B. in der DEC-Achse ein Schneckenrad mit dem das Teleskop auch um diese Achse um ganze 360° gedreht werden kann. Und auch das Verstellen der Achsen zum genauen Einnorden- wenn man es für Fotografie denn braucht - ist zwar noch nicht optimal, aber doch deutlich besser als bei einer EQ-1. Die Montierung ist mit dem Pluto/s nicht überfordert und hat noch Spielraum für Zubehör.

Ein Nachführmotor für die RA-Achse ist relativ einfach an die Montierung anzubringen und erleichtert nicht nur das visuelle Beobachten, sowie Mond-, Sonnen- und Planetenaufnahmen, sondern macht meiner Erfahrung nach auch erste Aufnahmen von nicht zu dunklen Deep-Sky-Objekten möglich, wenn man die Belichtungszeit der Einzelaufnahmen in Grenzen halten kann (z.B. Orionnebel, Kugelsternhaufen). Die hohe Lichtstärke des Pluto ist hier wieder von Vorteil. Man muß sich aber bewusst sein, daß der Nachführmotor und die Montierung nicht mit Astrofotografie im Sinn gemacht wurden.

Um fotografisch die Grenzen noch etwas zu erweitern, habe ich das Stativ auf eine Art T aus Baulatten mit höhenverstellbaren Möbelfüßen gesetzt. Damit steht das Stativ schön stabil und kann einfach nivelliert werden. Die Plastikzahnstange des Okularauszuges des Pluto hat sich leider schnell abgenutzt, so daß ich die Idee hatte Innen- und Außenteil des Okularauszugs zu kürzen und wieder ineinander zu verkleben. Dies dient jetzt als Aufnahme für eine 1,25“-Steckhülse mit T2-Anschluß. Daran kann jedwedes T2-Zubehör angeschlossen werden, darunter z.B. ein nichtdrehender T2-Helikalauszug mit dem z.B. Astrokameras mit T2-Gewinde sehr gut fokussiert werden können.

Nach der Modifizierung des OAZ bin ich beim Nachmessen der Fokuslage darauf gekommen, daß der Backfokus groß genug sein müsste, um mit einem kurzbauenden T2-Adapter und dem T2-Helikalauszug auch eine DSLR anzuschließen. Dies ist natürlich meilenweit von der ursprünglich vorgesehenen Anwendung des Pluto/s entfernt, aber nur Versuch macht kluch. Und da die Verwendung eines Komakorrektors für den größeren Sensor einer DSLR nicht in Frage kam, habe ich wenigsten den Spiegel des Pluto auf F/6,25 mit einer einfachen schwarzen Pappscheibe abgeblendet um die Koma in den Ecken etwas in Schach zu halten - auf Kosten einer längeren Belichtungszeit. Um längere Deep-Sky-Bilder zu machen, habe ich die EQ-Sky auf Erholung geschickt und das Pluto/s auf einer EQ-5 mit Leitrohr befestigt. Mit der Standard-Prismenschiene des Pluto war auch das kein Problem.

Getestet habe ich am Orionnebel M42/M43 , an den Plejaden und an der Gegend um Alnitak mit dem Pferdekopfnebel mit Einzelaufnahmen bis zu 90sec und Gesamtbelichtungszeiten von jeweils über einer Stunde. Die DSLR war eine unmodifizierte Canon 1300D. Die Ergebnisse haben mich wieder angenehm überrascht, obwohl ich von „meinem“ Pluto/s schon einiges gewohnt war. Ja, in den Ecken sieht man noch Restkoma und wenn man genau hinschaut, sieht man, daß die DSLR leicht verkippt war – da hätte ich wohl sorgfältiger sein sollen. Aber mit einer leichten Beschneidung des Bildausschnitts und einer Verkleinerung der Auflösung sind Bilder entstanden, die ich so nicht von einem „visuellen Einsteigerkugelspiegel“ erwartet hätte.

Fazit

Als ich das Bresser Pluto/s gekauft habe, hatte ich nicht erwartet, daß das Teleskop mich soweit bringen und begleiten würde – erst recht nicht bis zur Deep-Sky-Fotografie mit einer DSLR. Das Pluto eignet sich gut, es etwas „aufzupeppen“. Es ist lichtstark, justierbar und kommt mit einer relativ stabilen Montierung daher. Das kompensiert zu einem großen Teil den etwas unschärferen Kugelspiegel. Bei ausgedehnteren Objekten fällt diese Unschärfe aber kaum auf.

Die volle Leistung des Pluto kommt nicht von selbst. Man muß sich damit auseinandersetzen und es pflegen. Wer sich aber mit dem Pluto beschäftigt und lernen will, für den ist es ein gutes, vielseitiges, ausbaubares Einsteigerteleskop zu einem günstigen Preis. Bei mir wird es einen speziellen Platz als mein erstes richtiges Teleskop haben, welches mich immer wieder mal angenehm überrascht hat.

Astro-Aufnahmen

M45 Pleijaden mit DSLR
Alnitak und Umgebung (mit DSLR)
M13 Herkuleshaufen (ASI178MC)
Mond mit Reducer (ASI120MC)
Sonne mit Sonnenflecken (ASI120MC)
Orionnebel M42/M43; "Running man" mit DSLR
Jupiter und roter Fleck (ASI120MC)

With BRESSER, you can enjoy a smooth introduction to the vast world of astronomy. Our detailed information ("Telescope Guide") provides valuable tips for beginners—but even experienced astronomers can use the information we provide (e.g., tables for the geographical latitude of all major world cities) as a reference.

Here is the table of contents of the comprehensive BRESSER Telescope Guide:

Sky Guides by Bresser

The Sky Guide provides comprehensive information on constellations, planetary positions, and astronomical events – perfect for planning your observations and delving deeper into astronomy.
Visit the guide directly here to make the most of your observations!

Product and safety instructions


Manufacturer: 
Bresser GmbH, Gutenbergstraße 2, 46414 Rhede

Contact: 
www.bresser.de


Warning notes
  • Check the solar filter before every solar observation and ensure that it is not damaged. Hold it against a strong light source to detect any possible cracks and/or holes. Do not use the telescope for solar observation, even if the solar filter is only slightly damaged. In this case, contact the manufacturer for the appropriate replacement parts.
  • Always use the included solar filter when observing the sun. Make sure it is correctly attached to the telescope according to the instructions. The use of the solar filter is only intended in connection with this telescope.
  • Never look at the sun through an eyepiece/telescope without a certified protection filter. A moon filter can never be used for solar observation. The moon filter is only suitable for moon observation. The solar filter must be mounted in front of the telescope opening, not at the eyepiece. Otherwise, the concentrated light beam through the optics will immediately destroy the filter foil, leading to severe eye damage, including permanent blindness.
  • Check the secure fit of the solar filter before each solar observation. An accidental detachment from the objective opening can lead to immediate and permanent eye damage and blindness.
  • If the solar filter cannot be securely attached to the tube, improve the fit by placing several self-adhesive felt strips or similar between the solar filter and the objective opening. Never use the solar filter if it cannot be properly mounted on the telescope. In such a case, always contact our customer service first.
  • Be extremely cautious when observing the sun. A brief look through the unprotected optics will immediately cause severe eye damage, potentially leading to complete blindness.
  • Children should not look at the sun through the telescope, even with the filter properly installed. Never leave children unsupervised.
  • Never leave the optics unattended. Children and inexperienced adults could point the telescope at the sun without proper precautions and lose their eyesight.
  • Do not observe the sun after eye surgeries or other eye conditions without prior medical consultation.
  • Wrinkles/creases in the film are normal and do not indicate a product defect.
  • Do not expose the device to high temperatures.
  • BATTERY WARNING AND SAFETY Safe handling and use of batteries and accumulators Read and follow these instructions before using the battery or accumulator. To the extent permitted by law, failure to comply with these warnings and instructions may result in any damage caused to your product not being covered by the warranty. In this document, the term "batteries" also includes accumulators. Follow these instructions to ensure optimal safety and performance: DO NOT use counterfeit batteries in products. Only use supplied batteries. Use the battery SOLELY for its intended purpose. Keep batteries out of the reach of children and pets. DO NOT use batteries that appear to be damaged, swollen, or modified. Do not use batteries that are leaking, emitting a smell, swollen, melted, or showing dents, rust, cracks, or scratches. The battery should NOT be disassembled, crushed, punctured, shredded, or otherwise tampered with. The battery should NOT be exposed to liquids. Liquid may penetrate the battery's circuits, causing corrosion and compromising its safety. A wet or damp battery should NOT be dried with a device or heat source (e.g., hairdryer or microwave). The device or battery should NOT be placed near a heat source or direct sunlight. High temperatures can cause the battery to swell, leak, or malfunction. Examples include placing the device near a radiator, stove, kitchen appliance, iron, fireplace, or inside a vehicle or next to a window in direct sunlight. The battery should NOT come into contact with metal objects. If metal objects such as jewelry come into prolonged contact with the battery terminals, the battery may become very hot or catch fire. The battery should NOT be stored together with hazardous or flammable materials. Store the battery in a cool, dry, and well-ventilated area. The battery should NOT be inserted incorrectly when charging. MAKE SURE the battery compartment is empty, dry, and free of dirt before inserting the battery. The battery should NOT be charged in direct sunlight or at extreme temperatures. The battery must be charged at room temperature, typically between 20 °C and 26 °C (68 °F-79 °F). Charging may be temporarily suspended if the battery temperature exceeds 60 °C (140 °F). If the battery is hot but the temperature is under 60 °C (140 °F), the battery will still charge, but more slowly than usual. Avoid dropping the battery or the product with the battery inside. If dropped onto a hard surface, the battery or product may be damaged. If you suspect the battery might be damaged, replace it. Never leave your mobile hotspot plugged into the power supply for more than 24 hours to charge. Let the battery drain and then recharge it. Keeping your mobile hotspot plugged into a charger without draining the battery can damage the battery/device or affect performance. If a battery shows a significantly shorter runtime than when purchased, it has reached the end of its reasonable lifespan. We recommend replacing it. For optimal results and performance, batteries should be replaced after 12 months or earlier depending on usage. Follow local regulations for the disposal of used batteries. Do not throw the battery into fire or water.
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Accessories

OCULUM VERLAG - Fernrohr-Führerschein in 4 Schritten (GERMAN)
Please note that this astronomy book for beginners is only available in German.

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OCULUM VERLAG - Hobby-Astronom in 4 Schritten (German edition)
Please note that this astronomy book for beginners is only available in German language.

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EXPLORE SCIENTIFIC Sun Catcher Solar Filter for 110-130mm Telescopes
Explore Scientific's Sun Catcher Variable Large Aperture Solar Filters are available in many sizes to work on most telescopes from 60mm up to 10-inch Schmidt-Cassegrain and of course all Bresser and Explore Scientific Telescopes. The Solar Filter material being used is the new advanced 'Solarlite' Film manufactured by world famous Thousand Oaks Optical through years of research and development. 'Solarlite' is a new solar film that has the optical quality of glass with the advantages of impregnated polymer. Perfect also for the solar astrophotographer.NOTE: All Explore Scientific Solar Equipment is rated ISO12312-2 supplied by Thousand Oaks Optical and approved for direct observation of the Sun.These solar filters are available in different sizes, the picture above shows three different sizes as an example. This is the solar filter with 114mm filter diameter.SPEZIFICATIONSSpecial objective filter for safe solar observationsISO12312-2 ratedField-stop diameter 114mmFits to outer telescope tube diameter from 110 to 160mmQuick individual match with your telescope diameterFast Setup - Easy UseSCOPE OF DELIVERY1x Sun Catcher solar filter

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Vixen NPL 50° Eyepiece 15mm (1.25'')
The 2-group 4-element Plossl optical design of the NPL series eyepieces delivers flat and clear images with good color correction. The lenses are fully multi-coated for high light transmission. FEATURES Push-fit Size: 31.7 mm Apparent field of view: 50° Eye relief: 11 mm Weight: 100 g WHAT'S INCLUDED 1x Eyepiece 15 mm (1.25'')

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Vixen NPL 50° Eyepiece 25mm (1.25'')
The 2-group 4-element Plossl optical design of the NPL series eyepieces delivers flat and clear images with good color correction. The NPL20, NPL25, NPL30 and NPL40 eyepieces employ twist-up eye-guards for viewing comfort. The lenses are fully multi-coated for high light transmission. FEATURES Push-fit Size: 31.7 mm Apparent field of view: 50° Eye relief: 19.5 mm Weight: 130 g WHAT'S INCLUDED 1x Eyepiece 25 mm (1.25'')

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Vixen NPL 50° Eyepiece 10mm (1.25")
The 2-group 4-element Plossl optical design of the NPL series eyepieces delivers flat and clear images with good color correction. The lenses are fully multi-coated for high light transmission. FEATURES Push-fit Size: 31.7 mm Apparent field of view: 50° Eye relief: 6.5 mm Weight: 80 g WHAT'S INCLUDED 1x Eyepiece 10 mm (1.25'')

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£46.00*
Vixen NPL 50° Eyepiece 8mm (1.25'')
The 2-group 4-element Plossl optical design of the NPL series eyepieces delivers flat and clear images with good color correction. The lenses are fully multi-coated for high light transmission. FEATURES Push-fit Size: 31.7 mm Apparent field of view: 50° Eye relief: 4.5 mm Weight: 79 g WHAT'S INCLUDED 1x Eyepiece 8 mm (1.25'')

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Vixen NPL 50° Eyepiece 30mm (1.25'')
The 2-group 4-element Plossl optical design of the NPL series eyepieces delivers flat and clear images with good color correction. The NPL20, NPL25, NPL30 and NPL40 eyepieces employ twist-up eye-guards for viewing comfort. The lenses are fully multi-coated for high light transmission. FEATURES Push-fit Size: 31.7 mm Apparent field of view: 50° Eye relief: 24 mm Weight: 120 g WHAT'S INCLUDED 1x Eyepiece 30 mm (1.25'')

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Vixen NPL 50° Eyepiece 6mm (1.25'')
High-quality eyepiece for beginners who want high-quality results at an affordable price. The 2-group, 4-element Plossl lens design of the NPL eyepieces ensures clear and sharp images with good colour correction. The lenses are fully multi-coated for high light transmission, the eyepieces also offer a comfortable eye distance. In contrast to predecessor models, the chromatic aberration has been further reduced and you will be impressed by the sharpness of the edges. FEATURES Plug-in diameter: 31.7 mm Apparent field of vision: 50° Eyepoint distance: 3.0 mm Weight: 70 g WHAT’S INCLUDED 1x eyepiece 6 mm (1.25”) and protective caps

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EXPLORE SCIENTIFIC 1.25" Filter Grey ND0.9
The neutral density filter transmits light uniformly across the entire visual spectrum. It serves as an excellent filter to reduce glare and irradiation when observing the Moon with any telescope 4"(10.2cm) and larger. The ND96 filter may also be employed in the splitting of close double stars where one of the binary pair significantly exceeds the other in brightness. Very flat design, with only 5.0mm light path. FEATURESreduces brightness for a higher contrastideal for observing the mooncan be combined with other colour filtersvery flat design, with only 5.0mm light path SCOPE OF DELIVERY 1x Color Filter #ND96 Moon Filter (0.9 density; 13% transmission)

Available

£24.00*
Vixen 2x Barlow Lens with T2 Thread
This Barlow lens doubles the focal length of your telescope. It allows you to make astronomical observations with a higher magnification than a conventional eyepiece. Thanks to the Barlow lens between the eyepiece, you can obtain a greater magnification whilst maintaining a comfortable interpupillary distance.This Vixen 2x Barlow lens is ideal for observing and photographing lunar landscapes and details on the brighter planets. The Barlow lens also features a T2 connection for photography with DSLR cameras. With T2 extension tubes, it can also be used as a camera projection adapter.With a deflecting prism, the Barlow lens enables you to obtain a magnification factor of 3.3x.FEATURES2x Barlow lenses with T2 thread2-lens optical systemDoubles the magnification factorAlso suitable as a camera adapter31.7 mm sleeveWeight: 80 gDELIVERY CONTENT 2x Barlow lenses Dust caps

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£56.00*
BRESSER 30mm Plössl eyepiece 31,7mm/1,25"
BRESSER 30mm Plössl Eyepiece 1,25" (31,7mm) Since years a well known and approved Plössl eyepiece. Ideal to improve the performance of your telescopes for a low budget price. All the BRESSER Plössl eyepieces provide sharp and high-contrast images because of the 4-lens design. All lenses have fully-multicoated surfaces which prevents reflections efficiently. Every eyepiece is equipped with a foldable rubber eyecup to avoid straylight from the sides and the inner eyepiece shaft is carefully blackened as well. Housing and eyepiece shaft are completely made from metal - no plastic is used. Filter thread for use with colour- and nebular filters is also available. All these Plössl eyepieces offer a much better image quality than all the very simple made Kellner and Huygens eyepieces. FEATURES Focal length: 30 mm Field of view: 50° Lens-Design: 4 lenses in 2 groups , fully-multicoated Housing material: completely made from metal Rubber eyecup: YES, foldable Filter thread: YES Storage: Twist-pack SCOPE OF DELIVERY BRESSER Plössl eyepiece with rubber eyecup Twist-pack

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BRESSER 25mm Plössl eyepiece 31,7mm/1,25"
BRESSER 25mm Plössl Eyepiece 1,25" (31,7mm) Since years a well known and approved Plössl eyepiece. Ideal to improve the performance of your telescopes for a low budget price. All the BRESSER Plössl eyepieces provide sharp and high-contrast images because of the 4-lens design. All lenses have fully-multicoated surfaces which prevents reflections efficiently. Every eyepiece is equipped with a foldable rubber eyecup to avoid straylight from the sides and the inner eyepiece shaft is carefully blackened as well. Housing and eyepiece shaft are completely made from metal - no plastic is used. Filter thread for use with colour- and nebular filters is also available. All these Plössl eyepieces offer a much better image quality than all the very simple made Kellner and Huygens eyepieces. FEATURES Focal length: 25 mm Field of view: 50° Lens-Design: 4 lenses in 2 groups , fully-multicoated Housing material: completely made from metal Rubber eyecup: YES, foldable Filter thread: YES Storage: Twist-pack SCOPE OF DELIVERY BRESSER Plössl eyepiece with rubber eyecup Twist-pack

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BRESSER 20mm Plössl eyepiece 31,7mm/1,25"
BRESSER 20mm Plössl Eyepiece 1,25" (31,7mm) Since years a well known and approved Plössl eyepiece. Ideal to improve the performance of your telescopes for a low budget price. All the BRESSER Plössl eyepieces provide sharp and high-contrast images because of the 4-lens design. All lenses have fully-multicoated surfaces which prevents reflections efficiently. Every eyepiece is equipped with a foldable rubber eyecup to avoid straylight from the sides and the inner eyepiece shaft is carefully blackened as well. Housing and eyepiece shaft are completely made from metal - no plastic is used. Filter thread for use with colour- and nebular filters is also available. All these Plössl eyepieces offer a much better image quality than all the very simple made Kellner and Huygens eyepieces. FEATURES Focal length: 20 mm Field of view: 50° Lens-Design: 4 lenses in 2 groups , fully-multicoated Housing material: completely made from metal Rubber eyecup: YES, foldable Filter thread: YES Storage: Twist-pack SCOPE OF DELIVERY BRESSER Plössl eyepiece with rubber eyecup Twist-pack

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BRESSER 15mm Plössl eyepiece 31,7mm/1,25"
BRESSER 15mm Plössl Eyepiece 1,25" (31,7mm) Since years a well known and approved Plössl eyepiece. Ideal to improve the performance of your telescopes for a low budget price. All the BRESSER Plössl eyepieces provide sharp and high-contrast images because of the 4-lens design. All lenses have fully-multicoated surfaces which prevents reflections efficiently. Every eyepiece is equipped with a foldable rubber eyecup to avoid straylight from the sides and the inner eyepiece shaft is carefully blackened as well. Housing and eyepiece shaft are completely made from metal - no plastic is used. Filter thread for use with colour- and nebular filters is also available. All these Plössl eyepieces offer a much better image quality than all the very simple made Kellner and Huygens eyepieces. FEATURES Focal length: 15 mm Field of view: 50° Lens-Design: 4 lenses in 2 groups , fully-multicoated Housing material: completely made from metal Rubber eyecup: YES, foldable Filter thread: YES Storage: Twist-pack SCOPE OF DELIVERY BRESSER Plössl eyepiece with rubber eyecup Twist-pack

Available

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BRESSER 10mm Plössl eyepiece 31,7mm/1,25"
BRESSER 10mm Plössl Eyepiece 1,25" (31,7mm) Since years a well known and approved Plössl eyepiece. Ideal to improve the performance of your telescopes for a low budget price. All the BRESSER Plössl eyepieces provide sharp and high-contrast images because of the 4-lens design. All lenses have fully-multicoated surfaces which prevents reflections efficiently. Every eyepiece is equipped with a foldable rubber eyecup to avoid straylight from the sides and the inner eyepiece shaft is carefully blackened as well. Housing and eyepiece shaft are completely made from metal - no plastic is used. Filter thread for use with colour- and nebular filters is also available. All these Plössl eyepieces offer a much better image quality than all the very simple made Kellner and Huygens eyepieces. FEATURES Focal length: 10 mm Field of view: 50° Lens-Design: 4 lenses in 2 groups , fully-multicoated Housing material: completely made from metal Rubber eyecup: YES, foldable Filter thread: YES Storage: Twist-pack SCOPE OF DELIVERY BRESSER Plössl eyepiece with rubber eyecup Twist-pack

Available

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BRESSER 6.5mm Plössl eyepiece 31,7mm/1,25"
BRESSER 6.5mm Plössl Eyepiece 1,25" (31,7mm) Since years a well known and approved Plössl eyepiece. Ideal to improve the performance of your telescopes for a low budget price. All the BRESSER Plössl eyepieces provide sharp and high-contrast images because of the 4-lens design. All lenses have fully-multicoated surfaces which prevents reflections efficiently. Every eyepiece is equipped with a foldable rubber eyecup to avoid straylight from the sides and the inner eyepiece shaft is carefully blackened as well. Housing and eyepiece shaft are completely made from metal - no plastic is used. Filter thread for use with colour- and nebular filters is also available. All these Plössl eyepieces offer a much better image quality than all the very simple made Kellner and Huygens eyepieces. FEATURES Focal length: 6.5 mm Field of view: 50° Lens-Design: 4 lenses in 2 groups , fully-multicoated Housing material: completely made from metal Rubber eyecup: YES, foldable Filter thread: YES Storage: Twist-pack SCOPE OF DELIVERY BRESSER Plössl eyepiece with rubber eyecup Twist-pack

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BRESSER RA Tracking Motor + Controller
This BRESSER RA-Motor for a more comfortable tracking of your telescope. Including controller. Suitable for BRESSER Pluto, Galaxia, Quasar and Skylux telescopes, and all BRESSER carbon look telescopes with EQ-Sky and EQ3 mount.Important note: Not suitable for BRESSER Space Explorer and Firstlight telescopes. FEATURES motor for the BRESSER telescopes: Pluto, Galaxia, Quasar, Skylux, and all BRESSER carbon look telescopes with EQ-Sky and EQ3 mountthanks to the automatic tracking the observed object always remains in the eyepieceSCOPE OF DELIVERYmotorhandheld controllerbattery compartment bag with lanyardmanual

Available

£117.00*
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BRESSER RA Tracking Motor + Controller
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£14.90*
Color Filter Set Essential 1,25" Red,Green,Blue,Yellow
Color Filter Set Essential is recommended for Moon & Planets from 50mm (2") Aperture Essential Set includes the following filters: BRESSER Filter Red (1,25):The blue/blue green light is totally blocked. The contrast between the card and the lighter zones will enormously increase. This is truly helpful when you watch Jupiter or Saturn. Or for mars, watching the poles. BRESSER Filter Green (1,25):The green filter is to increase the contrasts enormously between the red and the blue regions of the cloud structures on the gas planets Jupiter and Saturn. Seeing our Earth Moon through the green filter, the contrasts of each ray crater become clearly more visible.BRESSER Filter Blue (1,25):The color of light blue really supports watching the high clouds on Mars. The contrast increases. The dark red structures will be shown even darker, so this is the perfect filter for watching the big red Flecks on the gas planet Jupiter. The rings of Saturn will be accentuated, the structures of the Venus Atmosphere will be even finer. BRESSER Filter Yellow (1,25):Watching the Moon surface through the filter, the contrasts will enormously increase. Same with planet Mars. On the huge planet Jupiter, when using the filter, you can even see the contrasts between the cloud-bands and a lot more details. Starting with a telescope diameter of 8“ and a clear sight, you even get to see various details of Saturn. What ist a color Filter for and do we really need it? Color Filters darken the light slightly, that reaches the eye or the sensor of the camera. This eliminates for instance stronger transitions. The result is that your picture turns out with more contrast which automatically shows more details. FEATURESVersatile colour filter set For eyepieces and accessories with 1.25" filter thread Increase contrast on moon and planets Making object details more visibleSCOPE OF DELIVERY4pcs color filter: Red, Green, Blue, Yellow

Available

£9.90*
EXPLORE SCIENTIFIC 1.25" Filter Grey ND0.9
The neutral density filter transmits light uniformly across the entire visual spectrum. It serves as an excellent filter to reduce glare and irradiation when observing the Moon with any telescope 4"(10.2cm) and larger. The ND96 filter may also be employed in the splitting of close double stars where one of the binary pair significantly exceeds the other in brightness. Very flat design, with only 5.0mm light path. FEATURESreduces brightness for a higher contrastideal for observing the mooncan be combined with other colour filtersvery flat design, with only 5.0mm light path SCOPE OF DELIVERY 1x Color Filter #ND96 Moon Filter (0.9 density; 13% transmission)

Available

£24.00*
OLIVIA VERLAG - Julius forscht im Weltall (GERMAN)
Please note: This book is written in German language

Available

£15.00*
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BRESSER Automatik 80/400 Telescope with GoTo
NEW - now including a high-quality aperture Solar-filter for safe observation of sunspots, eclipses and planet transits. The computer-controlled Refractor Telescope BRESSER Automatik 80/400 is a wide-field-lens telescope that goes with you almost anywhere, due to its compact design. The telescope is the ideal choice for beginners and is also perfect for travelling. Take this computerized telescope with you to your favourite observation place, when you're hiking, camping or on vacation. It may be small, but it still includes an easy-to-use go-to system. The BRESSER Automatik 80/400 can be operated on a desk or with the included tripod. The computer control allows for an easy alignment of the telescope with the night sky and can navigate to interesting celestial objects automatically by a push of a button. Over 270,000 well known astronomical objects are still stored in its database of the computer control. You can sit back and only need to focus on one thing: the view of the vast, starry firmament! It will show numerous craters on the moon, the cloud belts on Jupiter or Saturn's rings. These is just the beginning of what can be seen with this telescope. The menu navigation of the Computer Handbox is also multilingual and offers the settings of German, English, French, Spanish and Italian.FEATURESTelescope for night and solar observation20x to 40x magnificationEasy alignment and usage also for beginnersAutomatic navigation to observation objects by a push of a buttonCoordinates of over 270,000 celestial objects pre-installedDetails of the moon and planets visibleAlso suitable for bird watching and terrestial observationSCOPE OF DELIVERYAchromatic refractor (telescope)Alt-azimuthal single-arm mountAluminium tripodAperture Solar-filterComputer control (handbox)2 eyepieces, 31.7mm diam.: f/10mm, f/20mmMoon filterCompass with circular levelStar map and astronomy software (via download)Instruction manual

Available

£379.00*
BRESSER Pollux-II 150/1400 EQ3 Reflector Telescope with Smartphone Adapter & Solar Filter
Explore the beauties of the night sky with this complete telescope set. Everything is included so that you can get started immediately with the fascinating hobby of astronomy: the astronomical reflector telescope with 150 mm aperture and 1,400 mm focal length, the equatorial mount, the tripod and extensive accessories for exciting observations. Especially important for beginners: the system is very easy to use. Particularly the Moon, the planets and the Sun appear impressive through the Pollux-II. Powerful performance for your first celestial observations – the telescope Take your first steps in astronomy with this classic reflector telescope of the "Newton" type. Because it is equipped with an additional lens inside the focuser, it belongs to the group of the so-called "catadioptric" optics. One advantage of this combination of lens and mirror: despite the large focal length, the telescope tube is relatively short and therefore easily transportable. In addition, you can look forward to a comfortable observation position at all times. This is because with telescopes of this design you do not look in at the back of the telescope, but at the front and laterally. So you don't have to bend down, even if the reflector telescope is pointed vertically upwards at the sky. The large aperture of 150 mm collects a lot of light from the celestial objects. In addition, 150 mm aperture and 1,400 mm focal length result in a focal ratio (ratio of aperture to focal length) of 1 to 9.3 (F/9.3). This allows you to enjoy viewing your favourite objects at high magnifications with good contrast. Admire especially the planets or details on the Moon through the entry-level telescope. But also some deep sky objects are very nice to observe: open star clusters, globular clusters and bright planetary nebulae such as the Ring Nebula M57 in the constellation Lyra can be seen beautifully through this astronomical telescope. But how close can you get to the celestial eye-catchers? The 150 mm aperture achieves a resolving power that allows magnifications of up to 300x with sharp images. The technical possibilities go far beyond this – theoretically up to 1,050x using the included accessories. However, as the magnification increases, the sharpness of the image can slowly decrease. In addition, high magnification also requires the right environmental conditions. For no matter through which telescope you look, the air turbulence in the atmosphere (seeing conditions) always influences your observation and magnification possibilities. Note for nature lovers: If you choose a Newtonian telescope like the Pollux-II reflector telescope, you can look forward to a specialist in astronomical observation. However, the image is always displayed laterally reversed as well as upside down, which makes no difference when observing the sky. However, this type of telescope is less suitable for nature and landscape observation during the day. Would you like to use your new telescope for exciting nature discoveries as well? Then we recommend that you choose one of the BRESSER refractor telescopes. Solid base for gazing skywards – mount and tripod Have you found the perfect location for your journey of discovery into the night sky? Then simply mount your astronomical telescope with the equatorial mount on the height-adjustable aluminium tripod. The special feature of this type of mount: after the so-called "alignment", the positioning of an axis parallel to the Earth's axis, the movement of the celestial bodies only has to be compensated for on this one axis. To do this, you simply point the axis approximately at Polaris. This is a huge advantage over the azimuthal mount, where both axes are moved simultaneously. In addition, the two flexible shafts with fine adjustment make adjusting and tracking the telescope very precise and comfortable. And to ensure that accessories are always at hand, they can be stored on the handy shelf between the tripod legs.Keep track of things automatically: For this telescope’s equatorial EQ-3 mount, the tracking motor with item number 4951400 is available as an optional accessory. This eliminates the need to manually track a celestial object set in the telescope. When this motor is installed at the mount, it automatically tracks the celestial object, keeping it in the field of view of the eyepiece. This makes observing the night sky even more comfortable! Everything you need, night and day – the accessories The astronomical telescope comes with a wide range of equipment so that you can start admiring the Moon, planets or the Sun straight away. At night, the LED viewfinder helps you keep an overview of the sky. Once installed parallel on the tube and correctly aligned, the small red dot shows you where the telescope is pointing when you look through it. This way, you can align the optics precisely and find celestial bodies more quickly before you then take a closer look with the high magnification. Varying views of the universe: the two eyepieces allow you to marvel at your observation objects in different magnifications. They are simply inserted into the telescope's focuser using their sockets with a standardised 1.25 inch (31.7 mm) diameter. You want to see even more details? Then go for the 3x barlow lens, which triples the magnification of the eyepieces. If you would like to make astronomical discoveries even during the day, use the solar filter to observe the star of our own solar system. It allows you to easily and safely observe sunspots and granulation on the sun. CAUTION: Never point the telescope at the sun without the solar filter! Capture special highlights easily – with the smartphone adapter, you use your smartphone as a camera for your telescope. This way you can quickly take your first photos of the Moon or the Sun, for example, and get started in astrophotography. FEATURES Reflector telescope with 150 mm aperture and 1,400 mm focal length Reflector type catadioptric Well suited for observing the Sun, Moon and planets Height-adjustable tripod with equatorial EQ3 mount Precise adjustment through flexible shafts and fine adjustment in both axes Easy to use, very suitable for beginners Focal ratio F/9.3, therefore good for observing the planets and details on the moon 1.25 inch (31.7 mm) eyepiece focuser Two eyepieces and one barlow lens with 1.25 inch (31.7 mm) extension tubes for different magnifications Safe solar observation with the included solar filter Entry into astrophotography with smartphone camera adapter SCOPE OF DELIVERY Telescope Aluminium tripod Equatorial EQ3 mount Eyepieces: 4 mm and 20 mm (1.25 inch sockets) Barlow lens 3x (1.25 inch socket) LED illuminated dot finder Solar filter Smartphone camera adapter Accessory tray Astronomy software download Instruction manual

Available

£345.00*
BRESSER Smart Garden Smart Home Irrigation System
If you’re a keen gardener, you’ll know that plants don’t grow on their own. Of all the things that you need in your garden, water is particularly important. Powered by smart technology, the BRESSER Smart Garden Smart Home Irrigation System helps to ensure that your lawn, vegetables and flower beds receive just the right amount of water. In the HomGar app, you can configure up to six watering schedules per day. The smart water timer turns the water on and off automatically at the desired time. In addition, you can also choose from 2 different modes (water and mist) to control the amount of water released by your system. Smart watering system for keen gardeners The smart watering system also comes with a soil sensor  – based on the readings from the sensor, the water timer controls the duration of the watering schedule to prevent overwatering.* What’s more, the system also supports Alexa and Google Assistant – simply issue a voice command to start or stop watering from a distance. And thanks to the rain delay function, you can pause your watering schedules for up to 24 hours when needed. All measurements are displayed on the weather station’s intuitive colour display, as well as in the app, enabling you to keep track of what’s happening in your garden – even when you’re away from home. You can also use the app to view stats on your daily and monthly water consumption. Smart weather station – everything you need to keep track of the weather To ensure that you don’t get caught unawares by the weather, the smart home watering system also displays a graphical weather forecast with the chance of rain. And if you’re not sure how many layers to wear, it also features a thermo-hygro wireless sensor that measures the local temperature and outdoor humidity. On cold winter days, the frost alarm appears on the display as soon as the temperatures falls below 3 °C. Maintain the optimal indoor climate In addition to keeping tabs on the weather in your garden, it’s also important to monitor the indoor temperature and humidity to ensure that you maintain a comfortable and healthy indoor climate. For this purpose, the base station comes with a built-in thermo-hygro sensor that provides reliable measurements of the ambient conditions in your home. It also features a comfort level indicator, which displays an emoji to indicate whether you need to ventilate your room. Save yourself time, water and money – keep your garden in perfect condition with the BRESSER Smart Garden Smart Home Irrigation System. FEATURES OF SMART WEATHER STATION For smart watering of small lawns or gardens, can be controlled via HomGar app Compatible with Amazon Alexa and Google Assistant Graphical weather forecast Chance of rain Frost alarm Measures the indoor temperature, humidity and air pressure Indoor comfort indicator Displays measurement data from the soil sensor and thermo-hygro sensor (Soil moisture and temperature, outdoor temperature and humidity)  Time, day of the week, date Smart backlight Wi-Fi frequency: 2.4 GHz Power supply: Mains adapter (included), 3x AA backup batteries (not included) Dimensions: 200 x 27 x 130 mm, Weight: 330 g FEATURES OF THERMO-HYGRO SENSOR Measures the outdoor temperature (°C/ °F) and humidity Range: up to 100 m Power supply: 2x AA batteries (not included) Dimensions: 37 x 21 x 100 mm, Weight: 30 g WATER TIMER PROPERTIES2 modes: Water and mist Rain delay function pauses watering schedules for 24 hours Water pressure: 0.5 bar to 8 bar (7-116 PSI) Flow rate: 5 l/min to 35 l/min Manual watering time: 1 min to 60 mins Automatic watering time: 1 min to 11 hrs 59 mins Watering schedules: Up to 6 schedules per day Adjustable watering frequency: daily, uneven days, even days, or specific days of the week Waterproof (IPX4) Range: 60 m Operating temperature: 3 °C to 50 °C Power supply: 4x AA batteries (not included) Dimensions: 42 x 102 x 167 mm, Weight: 247 g SOIL SENSOR FEATURESMeasures the soil moisture and temperatureSends data for automatically adjusting the watering schedules to prevent overwatering* Range: up to 60 m between the soil sensor and water timer LED display of different moisture levels to help you save water Data refresh frequency: 5 mins Power supply: 3x AAA batteries (not included) Dimensions: 135 x 135 x 95 mm, Weight: 175 g PACKAGE CONTENTS Smart garden weather station Water timer Soil sensor Thermo-hygro sensor Instruction manual *IMPORTANT: Only use this function under supervision.

Available

£150.99*
BRESSER Messier MCX-127 GoTo Telescope EQ/AZ
NEW - now including a high-quality aperture Solar-filter for safe observation of sunspots, eclipses and planet transits. Great telescope for night and solar observation.The MESSIER MCX-127 telescope is your own small observatory with GoTo computer control. Easy to operate, easy to transport and universally use.  Observe moon, planets, galaxies and nebulae through the proven BRESSER Maksutov-Cassegrain optics. The main features of this optics are a sharp and high-contrast image, as well as the very compact and sealed tube design. An all-round telescope for all fast spotting lovers ! Goto systems play an important role in the world of amateur astronomy as they ensure that users spend less time searching for celestrial objects and more time observing and photographing. The BRESSER Messier GoTo control, allows you to operate your telescope with the included computer handbox. After entering the basic data such as date, time and location, at least 1 known reference star is approached and confirmed. Afterwards, you can choose your favourite objects from the integrated database and let the MCX telescope move to and track them automatically. It couldn't be simpler! One of the outstanding features of the MCX telescopes is the very solid fork mount made of die-cast aluminium and the universal field tripod made of stainless steel. Both guarantee a safe stand and as little unwanted vibrations as possible during observation. In addition, the drives in both axes are equipped with precision ball bearings and precision worm gears made of steel and brass. This ensures smooth and quiet star tracking. Adapt your smartphone camera directly behind the SPL26mm eyepiece using the included smartphone holder or mount your camera on the M35 threaded connector and take astro photos of the moon and planets. The 90° flip mirror at the back of the telescope allows a quick and comfortable change between using an eyepiece or a camera.  You'll be amazed at what this MCX telescope can do with little effort.When it comes to tracking the stars with a telescope or camera, there is nothing comparable to the precision of a German equatorial or parallactic mount. It is important to follow the objects as precise as possible when they rise in the east and sink in the west. For observers it is very easy to keep their celestial object in the middle of the eyepiece for a longer time with a German equatorial/parallactic mount. This possibility of setup  (EQ mode) is already included in your new MCX telescope. The so-called polar wedge on the tripod head can be tilted accordingly and adjusted to the latitude of your location. You can therefore quickly switch between these two types of installation (AZ/EQ) - without having to buy extra accessories! Also a fast use of the MCX telescope without tripod only as a table device is possible !  This telescope combines so many good characteristics that the purchase is really worthwhile. You will be inspired! FEATURES Universal and compact entry-level telescope with GoTo function Easy operation and transport High-resolution and proven BRESSER Maksutov-Cassegrain optics Aperture diameter: 127mm , focal length 1900mm FMC fully coated optics for a brighter image Solid die-cast aluminium fork mounting with drive motors in both axes Proven Goto control for navigation in the starry sky Computer hand box with very large and illuminated display Multilingual menu navigation in DE, GB, FR, ES, IT Sturdy stainless steel tripod with polar wedge (AZ+EQ mode possible) Can also be used without a tripod as a table-top unit Flip mirror 90° - quick change between eyepiece and camera possible Battery compartment integrated in the base for 8 x AA batteries (Batt. not included) Integrated circular bubble for easy leveling Enlarged primary mirror (138mm) for a brighter image Precise worm gears made of steel/brass in both axes Manual gear clamps in both axes Smartphone holder included for photography through the telescope LED red dot finder with CR-2032 battery included BRESSER Super Plössl eyepiece 26mm (1.25") included (73x) Eyepiece shaft diameter: 31.7mm (1.25") Camera connection thread: M35 x 1 mm External connection for 12 Volt power supply: Yes Adjustable working height on tripod: 110 - 160cm Recommended magnifications: 36x - 204x Telescope for night and solar observationSCOPE OF DELIVERY Optical MCX Tube in Fork Mount GoTo Computer Handbox with Hand Strap Field tripod with polar wedge AZ/EQ Smartphone holder for photography through the telescope BRESSER Super Plössl eyepiece 26mm (1.25") LED red dot finderAperture solar-filterObjective dust capInstruction manual 

Available

£887.00*