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High quality achromatic lens telescope ( OTA only ) with objective solar filter
- Richfield telescope with ED glass element
- D= 102 mm; F=460 mm; F/4.5
- Telescope for Night- and Solar Observation
- 50,8 mm to 31,7 mm adapter with integrated T2-thread
- Content: optical tube AR-102/460 Hexafoc + Acc.
- Length: 475 mm; Tube diameter: 104 mm; Mass: 2,8 kg
- Aperture Solar Filter included
- 6x30 optical finder with crosshair and optimized finder bracket for comfortable usage
- Universal 44 mm Dovetail plate with stainless steel rail (fits LXD75/GP/EQ5)
Testbericht zu Bresser Messier AR-102xs/460 Hexafoc Optischer Tubus
von Frank
Das Teil ist wirklich gut, alle Achtung. Gestern habe ich meinen neuen BRESSER 102/460 testen können. Ein kleines aber feines Teil. M51 war gut auszumachen, Praesepe hatte auch einiges zu bieten, ebenso auch H Chi Persei war im 30mm Okular mit 82 Grad Gesichtsfeld ein hoher Genuss. M13 und M92 im 4mm Okular schön, am Rande schön aufgelöst und brachte im Okular ein scharfes und kontrastreiches Bild. Jupiter auch im 4mm Okular war noch gut zu beobachten, allerdings muss hier mit der Farbe Abstriche machen, doch das Bild war doch noch ganz ok. Man darf nicht vergessen, dass der Refraktor F4,5 ist. Er ist kompakt und sehr gut zu transportieren oder für das schnelle Spechteln. Im Lieferumfang ist ein 6x30 Sucher mit dabei, ein 1 1/4 Zoll Zenitspiegel, ein 26 Super Plössl, eine sehr kleine drehbare Sternkarte, die aber gute Augen bedarf um sie zu lesen. Ein Programm Stellarium für den PC ist ebenfalls mit an Bord. Es befinden sich auch 2 Verlängerungshülsen mit an Bord in 2 Zoll. Der Auszug ist um 360 Grad drehbar und hat 2,5 Zoll Durchmesser, was schon mindestens sein muss bei dem Öffnungsverhältnis. Wer einen kleinen Richfielder sucht, der kommt an diesem Teil nicht vorbei. Die optische Vergütung ist hervorragend. Alles in allen ein tolles Gerät das einfach nur Spaß macht. Nein, ich arbeite nicht bei BRESSER und hoffe ich konnte euch etwas behilflich sein für die Kaufentscheidung.
MfG
Frank
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:
- 2. The View into the Starry Sky
- 2.1 Observing with the Naked Eye
- 2.1.1 Observing Constellations with the Naked Eye
- 2.2 Observing with Binoculars
- 2.2.1 Observing Planets and Moons with Binoculars
- 2.2.2 Observing Deep Sky Objects with Binoculars
- 2.2.3 Every Beginning is Easy
- 2.3 Observing with a Telescope
- 2.4 The Moon
- 2.4.1 The Moon Phases
- 2.4.2 The Far Side of the Moon
- 2.4.3 The Moon Map
- 2.4.4 Maria (Seas)
- 2.4.5 Mare
- 2.4.6 Craters
- 2.4.7 The Ray Craters
- 2.5 Observing the Solar System with a Telescope
- 2.5.1 Where are the Planets?
- 2.5.2 Planet Observation
- 2.5.3 The Position of the Planets Relative to the Sun
- 2.5.4 The Planets Introduce Themselves
- 2.5.5 Deep Sky Observation with a Telescope
- 2.6 Practical Observation Tips and Tricks
- 2.6.2 Tips for Optimal Observation Conditions
- 2.7 The Most Beautiful Objects Throughout the Year
- 4. Telescopes
- 4.1 The Telescope as an Observation Instrument
- 4.2 Optics
- 4.2.1 Refractor (Lens Telescope)
- 4.2.2 Reflector (Mirror Telescope)
- 4.3 Mechanics
- 4.3.1 Altazimuth Mount
- 4.3.2 Equatorial Mount
- 4.3.3 Drive Motors
- 4.4 Accessories
- 4.4.1 Eyepieces
- 4.4.2 Important Tips for Eyepiece Selection
- 4.4.3 Filters
- 4.4.4 Photographic Accessories
- 4.4.5 Other Accessories
- 5.1 Which Telescope for Whom?
- 5.1.1 Deep-Sky Observations
- 5.1.2 Observing Closer Planets
- 5.1.3 The Topic of Portability
- 5.1.4 Price Factor When Buying a Telescope
- 6. Useful Tables
- 6.1 Table for the Geographic Latitude of All Major World Cities
- 6.1.1 Observers in the Northern Hemisphere (N):
- 6.1.2 Observers in the Southern Hemisphere (S):
- 6.2 Lookup Table for Notable Stars
- 6.3 Getting Acquainted with the Universe - or: Distances in Space
Sky Guides by Bresser
Ambitious beginners and advanced observers alike will see the brightest objects outside our solar system with the MESSIER AR-102xs. Watch details in the Great Orion Nebula from the astonishing distance of 1500 lightyears (14.200.000.000.000 km)! Scanning the lunar terminator is simply a pleasure. Scanning the Milky Way in Saggitarius shows a multitude of deep-sky objects.
Richfield telescope with ED glass lens and a short focal length of 460mm. Suitable for traveling and to observe large open star clusterns and the milky way
This telescope is only an optical tube without mount and tripod.
FEATURES
- Optical design: refractor telescope
- Lens diameter: 102 mm / focal length: 460 mm / F/4.5
- Maximum recommended magnification: 204x
- Very high quality Hexafoc focuser with 2.5" free inner diameter
- 6x30 straight through viewfinder;optimized finder bracket for comfortable use
- 31.7mm (1.25") diagonal mirror
- Universal 44 mm Dovetail plate with stainless steel rail (fits LXD75/Great Polaris/EQ5)
- 50,8 mm (2'') to 31,7mm (1,25'') adapter with integrated T2 thread (optional T2-adapter ring for your camera is needed)
- telescope for night and solar observation
SCOPE OF DELIVERY
- optical tube
- Eyepiece: 26 mm Super Ploessl 31.7mm (1.25")
- 31,7 mm (1,25") diagonal mirror
- integrated 31,7mm and T2 adapter
- Prism rail with stainless steel clamping surface (44mm universal dovetrail for GP/EQ5/LXD75)
- 6x30 viewfinder
- rotable star chart
- Objective Solar- filter
- Software Stellarium ( via Download)
Angular resolution (arc seconds): | 1.35 |
---|---|
Aperture ratio: | 4.5 |
Batteries included: | 0 |
Batteries required: | 0 |
Colour: | white |
Compass: | 0 |
ED glass: | 0 |
Extended warranty (years): | 10 |
Eyepiece Barrel Diameter (mm): | 50.8 |
Field of application [Telescopes]: | Deep Sky Observation, Deep Sky Photography, Land object photography, Lunar observation, Lunar photography, Planetary observation, Solar observation |
Finderscope: | 6 x 30 mm |
Focal length (mm): | 460 |
Focus Group [Telescopes]: | Advanced Amateurs, Beginners, Visual enthusiasts |
Focusing system: | 2.5" Hexafoc |
Magnification from: | 15 |
Magnification up to: | 200 |
Material: | Aluminium |
Material OTA: | Aluminium |
Mirror/Lens diam. (mm): | 102 |
Mount Type [Telescopes]: | Optics without Mount |
Net weight OTA (incl. accessories) (kg): | 2.8 |
Optical design: | Achromatic Refractor |
Product Family [Telescopes]: | Refractor telescope |
Reticle: | 0 |
Total height (mm): | 140 |
Total length (mm): | 460 |
Total width (mm): | 140 |
Tripod height adjustment: | 0 |
Tube diameter (mm): | 104 |
Type of coating: | Multi coated |
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Produkt- und Sicherheitshinweise
Manufacturer:
Bresser GmbH, Gutenbergstraße 2, 46414 Rhede
www.bresser.de
- 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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