BRESSER Full HD Deep-Sky Camera & Guider 1.25"

Bresser

Multi-purpose camera, can be used as an astrophoto color camera or as an autoguider for high accurate tracking

All-round astronomical camera with SONY IMX290 CMOS colour sensor
Planet and Deep-Sky imaging and Guiding
Photos and videos in Full HD resolution 1936 x 1096 pixels
Camera with ST4 autoguider function for accurate tracking
Professional ToupSky imaging software download included
Very low noise level of the SONY CMOS sensor
High light sensitive CMOS sensor allows short exposure times
Easy to connect the camera via a 1.25 inch plug-in sleeve with filter thread
ASCOM driver included ; Camera connection to PC via USB 2.0
Compatible systems: WINDOWS 10 + 11, Linux, StellaVita

£289.00*

Prices include VAT. Shipping costs not included

Available, delivery time: 10-12 working days

Product number: 14046

Former product no.: 4959050

Note: Our item numbers have been updated. You can continue to search for products using either the previous or the new item number.

EAN: 4007922054377

WEEE-Reg.-Nr.: DE 34323861

Testbericht zu BRESSER Full HD Deep-Sky Kamera & Guider 1.25

von Reinhard Pankrath: "Mond am Taghimmel für Astro - Fotografie geeignet?"

2018-06-26

Gefreut hatte ich mich über längere Wolkenlücken und einen offensichtlich durchsichtigen, also klaren, Himmel. Wenn man am Tag den Mond so schön sehen kann, obwohl die Sonne noch scheint, kann der Himmel nicht trübe sein und ist folglich auch für die Verwendung eines Teleskopes gut!

Was mich dann doch geärgert hat, war die fürchterliche Luftbewegung des doch so erwünscht klaren Himmels! Aber jeder Test wird erst richtig gut und aussagekräftig, desto schwieriger er durchzuführen ist. So auch hier.

Meine Erwartung schien realistisch: Wenn der Himmel zwar klar ist, aber die Sonne noch scheint, habe ich weniger Kontrast. Und das brachte mich auf die Idee, eine bestimmte Zusammenstellung meiner Geräte zu testen. Um es vorweg zu sagen: Das Ergebnis hat meine Erwartungen weit übertroffen! Aber hier der Weg dorthin:

Equipment:

• Die Bresser Exos 2 Goto Montierung

• OMC 140 deluxe Teleskop (140 / 2000), ein Rumak

• Die HD – Kamera von Bresser mit dem der neuesten Entwicklung entsprechenden back illuminated Chip von Sony

Warum so?

Erstens: Die Exos 2 ist stabil und läuft gut, habe ich sowieso für meine Teleskope. Die Alternative wäre ein Fotostativ – also ist die Wahl klar :-)

Zweitens: Das OMC wurde von Harrie Rutten berechnet inklusive des überragenden Blendensystems, das für einen optimalen Kontrast sorgt. Das sollte bei Tageslicht doch besonders geeignet sein! Eine bessere Abstimmung kann ich bei anderen Teleskopen auch nicht erwarten.

Drittens: Die HD-Kamera von Bresser hat diesen modernen Chip. Rauscharm und besonders lichtempfindlich durch die derzeit modernste Technik. Kann man bei Sony nachlesen, warum diese Technik so ist. Sehr aufwändig und deshalb auch teurer als herkömmliche Cmos (außer bei Bresser, da hat mich der Preis gewundert, andere lassen es sich besser bezahlen). Aber eben effektiv. Und die Lichtempfindlichkeit der back illuminated Chips sorgt dafür, dass die Belichtungszeiten besonders kurz gehalten werden können. Gerade bei Luftunruhe wichtig, je kürzer belichtet, desto mehr „friert“ die Luftunruhe beim Einzelbild ein. Also siehe oben. Soll die Kamera mal zeigen, was sie kann.

Jetzt muss ich etwas gestehen: Beim ersten Probieren der Kamera habe ich mich über ein gegenüber anderen Programmen komplizierteres Einstellungsmenü geärgert. Da muss man tatsächlich die Bedienungsanleitung lesen! So was! - Nun, ich sage jetzt: Gut, dass es alle diese Parameter gibt. Ein bisschen lernen hat mir auch nicht geschadet und bei diesem Test hat es sich bewährt. Da kam das zugute, was man alles regeln kann.

Das Bild war trotz des Sonnenlichthimmels NICHT flau! Korrekturen am Histogramm – bitte feinfühlig, zuviel ruiniert das Bild dann doch – an der Zeit und Verstärkung, am Weißabgleich und so weiter... haben die Aufnahme des Videos mit 1000 Bildern verarbeitungswürdig gemacht. Gut, man muss vor der Aufnahme etwas Zeit investieren, um alles den Gegebenheiten anzupassen. Einer Automatik würde ich es aber sowieso nicht überlassen. Bei Aufnahmen möchte ich doch bitte noch selber eingreifen können, um das Optimum heraus zu holen. Bei dem erreichten Kontrast konnte ich dann auch die Schärfeleistung erkennen und entsprechend fokussieren. Und so entstanden dann die Videos, bis die Wolken wieder zu dicht wurden und ich abbauen musste.

Die Bearbeitung, stacken, nachbearbeiten mit verschiedenen Freewareprogrammen, in das Format des Ergebnisses für die Veröffentlichung umwandeln, erfolgte dann wie immer. Und hier das Ergebnis. Kann man erkennen, dass die Sonne geschienen hat, als die Aufnahme entstand?

Mein Fazit: Die Kamera ist sehr gut zu gebrauchen, auch wenn die Bedingungen schwierig sind, alle Achtung.

Ich freue mich, dass ich auch so den Mond fotografieren kann und nicht immer auf die Dunkelheit warten muss. Das erweitert das Zeitfenster für mein Hobby doch sehr. Und jetzt ärgere ich mich nie mehr über viele Parameter zur Einstellung der Aufnahme! :-)

Liebe Grüße und Clear Sky

Reinhard Pankrath

Alle Bilder: Alle Rechte / Copyright bei Reinhard Pankrath

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FAQ - Frequently Asked Questions

Why do I see everything upside down and mirrored in the finder?

That is normal. Finder scopes are only used to make objects easy to locate. The image orientation does not matter for observation.

What is the difference between an alt-azimuth mount and an equatorial mount?

Alt-azimuth: easy to use, moves horizontally and vertically
Equatorial: enables precise tracking of objects with only one axis – ideal for high magnifications and astrophotography

What minimum apertures do I need for certain objects?

Moon: from 30 mm
Planets: from 100 mm
Deep sky: from 150 mm

View all FAQs →

Product information "BRESSER Full HD Deep-Sky Camera & Guider 1.25""

BRESSER Full HD Deep Sky Camera with autoguider: a great camera for different types of astrophotography and for autoguiding. Not only suitable for planets, but also for deep-sky objects such as galaxies, nebulae and star clusters. Dedicated ToupSky Astro Imaging software supports video preview, video recording, video processing, image capture and processing, dark field correction and raw data output. Easy to use, but with professional results.

One of the main features of the new backlit SONY IMX290 CMOS sensor is its high light sensitivity, which makes it possible to detect deep-sky objects without active cooling. SONY has increased the quantum efficiency at 533 nm wavelength up to 77%, which is much better than other CMOS sensors have been able to achieve in the past.

Connect this camera to a guidescope and attach the camera's built-in ST-4 port, directly to your telescope's equatorial mount guide port and autoguide - using many popular audioguiding programs (PHD, Guidedog and more). Autoguiding enables you to take accurate pictures with long exposure times of several minutes. Thanks to the extra light-sensitive camera, you now always have a suitable guide star to hand, even using short exposure times. An ST-4 protocol connection cable is also included. Simple automatic tracking at its best.

You can use this camera with all guiding telescopes, or off-axis guiders that accept a 1.25 " tube, 1.25" filter thread (M28.5x0.6) or C-mount adapter thread (1 "x1 /32").

IMPORTANT NOTES:

This is not a stand-alone guider camera. You always need a Windows 10/11 computer to take pictures and for autoguiding.

The autoguider software is not included. You can use PHD2 Guiding, Guidedog, Metaguide, Guidemaster (freeware) or AstroArt, MaxIm DL (paid).

DOWNLOAD PHD2-Guiding: https://openphdguiding.org/

DOWNLOAD GuideDog: http://barkosoftware.com/GuideDog/index.html

DOWNLOAD latest camera software and drivers: https://www.touptek-astro.com/downloads

Download INDI Driver: https://github.com/indilib/indi-3rdparty/tree/master/indi-toupbase

SPECIFICATIONS

Camera type: BRESSER / Touptek GPCMOS02000KPA color
Sensor: SONY IMX290 CMOS color, backlit
Image and video size: Full HD 1936 x 1096 pixels (video 15 FPS)
Native sensor size in pixels: 1936 x 1096
Exposure times: 66µs to 16min
Binning: YES, 2x2
Megapixel: 2.1 MP
Sensor size in mm: 5.6 x 3.1
Pixel size: 2.9 µm x 2.9 µm
Bit depth: 8/12 switchable
ST-4 Compatible Autoguider: YES
CNC milled housing made of aluminum
Protective strap on the camera housing
Camera tube diameter: 1.25 "(31.7 mm)
Camera connection thread: C-mount + 1.25 "filter thread
Computer interface: USB 2.0
C-mount extension tube with 1.25 inch filter thread included
No IR cut filter installed
Compatible systems: WINDOWS 10 + 11, Linux, StellaVita
ASCOM driver included

Field of view for different focal lengths in mm (given in arc minutes):

400mm - 48.2 'x 27.3'

500 mm - 38.6 'x 21.8'

600 mm - 32.1 'x 18.2'

700 mm - 27.5 'x 15.6'

800 mm - 24.1 'x 13.6'

900 mm - 21.4 'x 12.1'

1000 mm - 19.3 'x 10.9'

1250 mm - 15.4 'x 8.7'

1500 mm - 12.9 'x 7.3'

1750 mm - 11.0 'x 6.2'

2000 mm - 9.6 'x 5.5'

SCOPE OF DELIEVERY

Full HD camera
C-mount adapter
USB 2.0 PC connection cable with a length of 200cm
Interface cable for ST-4 autoguider port with 150cm length
Dust cap for camera tube
Software download

Colour:	green
Diameter (mm):	35
Material:	Aluminium
Net weight (without access.) (g):	90
Resolution:	1936 x 1096
Total height (mm):	35
Total length (mm):	72
Total width (mm):	35

Manual_4959050_Camera_GB_2017.pdf

Quickstart_4959050_Full-HD-Deep-Sky-Camera_es_BRESSER_v112017a.pdf

Quickstart_4959050_Full-HD-Deep-Sky-Camera_fr_BRESSER_v102021a.pdf

Quickstart_4959050_Full-HD-Deep-Sky-Camera_en-de_BRESSER_v112021a.pdf

Software_and_Driver_49590xx_Camera_WIN10u11_04_2022.zip

Manual_4959050_Camera_FR_2017.pdf

Manual_49590XX_Camera-Software_DE_2022.pdf

Manual_4959040_Camera-Software_fr_112021a.pdf

Product and safety instructions

Manufacturer:
Bresser GmbH, Gutenbergstraße 2, 46414 Rhede

Contact:
www.bresser.de

Warning notes

General safety instructions DANGER Risk of suffocation! Improper use of this product can result in suffocation, especially for children. Therefore, carefully observe the following safety instructions. Keep packaging materials (plastic bags, rubber bands, etc.) away from children! There is a risk of suffocation! Keep cords, ribbons, and similar materials away from children! They could accidentally strangle themselves and suffocate! NOTE Risk of material damage! Improper handling can damage the device and/or accessories. Therefore, only use the device according to the following safety instructions. Do not dismantle the device! In the case of a defect, contact your dealer. They will contact the service center and may send the device in for repair. Check the device, cables, and connections for damage before operation. Never operate a damaged device or a device with damaged power-carrying parts! Damaged parts must be immediately replaced by an authorized service provider. For proper operation, only use the supplied cables and connect them as described in the instructions. NOTE Risk of data loss! Never interrupt an existing data connection to the computer before all data has been transferred. Interruptions can lead to data loss, for which the manufacturer accepts no liability!

Sicherheitsdatenblatt Elektronik

Accessories

EXPLORE SCIENTIFIC 1.25" CLS Nebula Filter

EXPLORE SCIENTIFIC CLSWHAT'S INCLUDED:

Available

£55.00*

BRESSER Barlow Lens 2x 31.8mm/1.25"

With the usage of barlow lenses, you can extend the equivalent focal length of telescopes and hence increase the magnification of your observed targets. Subsequently, you can use lower power eyepieces in Barlows to act as much more powerful eyepieces, but retain the larger ocular size and more comfortable viewing that comes with lower power eyepiece designs.Due to their two lens design, these Barlow lenses provide a brilliant image quality for the whole visual field and are suitable for observations and photography. The black coloured Barlow element cell in this BRESSER Barlow Lens 2x 31.8mm/1.25," can be unscrewed and has the same thread as 1.25" filters, allowing it to be mounted in 1.25" eyepieces, t-adapters and other accessories, giving you flexibility of use and the ability to vary magnification in different accessories. For instance, the black Barlow cell screwed into the average length nosepiece of a standard push fit t-adapter will give around 1.6x magnification on an attached DSLR. This can be very useful when trying to get to photographic focus with some Newtonians and Solar Telescopes, which lack the necessary amount of in focus travel to get a camera to a prime focus position.FEATURESsuitable for observations and photographydoubling of the focal lengthtwo lens designfully multi-coatedWHAT'S INCLUDEDBarlow lens (1pc)

Available

£29.90*

BRESSER Achromatic 3x (1.25") Barlow Lens

The magnification of your telescope can be trippled with the use of this achromatic BRESSER Barlow Lens 3x 31.7 mm (1.25'').

Available

£30.00*

BRESSER Barlow Lens 5x (1.25")

With the usage of barlow lenses, you can extend the focal distance of telescopes and enhence the magnification of your observated deep sky objects. Thus, you can use the advantages of eyepieces with greater focal distance like the long eye relief as well as a more convenient insight at higher magnifications. Due to their 3-element air-spaced lens design with ED glass, these Barlow lenses provide a brilliant image quality for the whole visual field and are suitable for observations and photography.FEATURESsuitable for observations and photographyincrease fivefold the focal distance3-element air-spaced lens design with ED glassfully multi-coated brass eyepiece clamping ringSCOPE OF DELIVERYBarlow lens (1pc)

Available

£49.90*

EXPLORE SCIENTIFIC Teleextender 2x 31.7mm/1.25"

With teleextenders it is possible to extend the effective focal length of a telescope system, resulting in higher magnification for the observation of the moon, the planets or small Deep-Sky objects with the same eyepieces. So you can use the advantages of eyepieces with longer focal length - such as the bigger eye distance and the more relaxed observing comfort - at high magnifications also.These teleextenders incorporate a telecentric optical design that deliveres a excellent image sharpness over the whole field of view and are premium choices for visual observations and astrophotography. The combination of excellent fully multicoating with superior optical design makes the Focal Extenders superior to classic Barlow lenses.Features: Suitable for visual observations and astrophotographyDoubling the effective total focal length of the telescopeFour lens telecentric design Fully multicoatedFilter thread for color or nebula filters

Currently unavailable

£105.00*

Details

EXPLORE SCIENTIFIC Telextender 3x 31.7mm/1.25"

With teleextenders it is possible to extend the effective focal length of a telescope system, resulting in higher magnification for the observation of the moon, the planets or small Deep-Sky objects with the same eyepieces. So you can use the advantages of eyepieces with longer focal length - such as the bigger eye distance and the more relaxed observing comfort - at high magnifications also.These teleextenders incorporate a telecentric optical design that deliveres a excellent image sharpness over the whole field of view and are premium choices for visual observations and astrophotography. The combination of excellent fully multicoating with superior optical design makes the Focal Extenders superior to classic Barlow lenses.Features: Suitable for visual observations and astrophotographytripling the effective total focal length of the telescopeFour lens telecentric design Fully multicoatedFilter thread for color or nebula filters

Available

£108.00*

EXPLORE SCIENTIFIC Teleextender 5x 31,7mm/1.25"

With teleextenders it is possible to extend the effective focal length of a telescope system, resulting in higher magnification for the observation of the moon, the planets or small Deep-Sky objects with the same eyepieces. So you can use the advantages of eyepieces with longer focal length - such as the bigger eye distance and the more relaxed observing comfort - at high magnifications also.These teleextenders incorporate a telecentric optical design that deliveres a excellent image sharpness over the whole field of view and are premium choices for visual observations and astrophotography. The combination of excellent fully multicoating with superior optical design makes the Focal Extenders superior to classic Barlow lenses.Features: Suitable for visual observations and astrophotographyExtending the effective total focal length of the telescope by a factor of 5xFour lens telecentric design Fully multicoatedFilter thread for color or nebula filters

Available

£125.00*

Planetary UV + IR Cut Filter for BRESSER CMOS Cameras

The BRESSER UV + IR Cut Filter makes lunar and planetary images even sharper.Digital astro cameras have a wide sensitivity range that significantly exceeds the spectrum of visible light. Thus, the wavelengths of invisible light in the ultraviolet and infrared are also captured. This leads inevitably to a small additional and of course unwanted blur. The solution is this UV + IR Cut Filter, which allows only light in the visible range 400 nm to 680 nm to pass through and blocks all other wavelengths of light. As soon as these disturbing light waves are cut off, the sharpness of the image and the contrast are increased. Suddenly, details on the surface of Jupiter, for example, can be seen that were previously only barely visible. A clear plus, which can be achieved by this filter.Suitable for BRESSER CMOS cameras and other manufacturers with female camera thread M30 x 0.75 mmAfter removing the original screw adapter with sensor protection glass, the BRESSER UV + IR Cut filter is mounted to the camera instead. This filter has a fine M30 x 0.75 mm external thread for mounting on the camera. The exchange is therefore quick and easy. On the opposite side, i.e. on the telescope side, there is a standard C-mount female thread for mounting other accessories. Note: This filter does not have a standard 1.25 inch (31.7 mm) filter thread. FEATURESBRESSER UV + IR Cut Filter for photographyWavelengths of invisible light in ultraviolet and infrared are blockedPasses only visible light in the range 400nm to 680nmLunar and planetary images become even sharperSuitable for BRESSER CMOS cameras an othersMale fine thread M30 x 0.75mm for mounting on the camera housingC-Mount internal thread for mounting further accessories Quick and easy mounting of the filterGlass filter made of fine optical glassPlane-parallel polished and multiple layer coatedFilter housing made of matt black anodized aluminumHousing outer diameter 31.7mm (1.25 inch)Diameter of free light transmission 17.0mm (1.25 inch) SCOPE OF DELIVERYUV + IR Cut Filter (1 pc)

Available

£23.00* £29.00* (20.69% saved)

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Vixen VSD90ss Astrograph

Fast 90 mm high-performance astrograph for demanding astrophotographers and observers with 5 lens elements in 5 groups. Due to the complex optical structure with five lens groups and five elements (quintuplet), including two SD (Super ED) lenses and an ED lens (Extra-low Dispersion) , a virtually aberration-free optical system was created. This revolutionary astrograph is compatible with a full-frame digital DSLR or an even larger 44x33 mm camera. The 90 mm astrograph with fast aperture ratio delivers exceptionally sharp, high-contrast and small point stars from the centre to the corners of the field of view. In addition, it is also ideal for visual observation with a very large field of view but also for planetary observation with high magnification. The VSD90ss is designed so that there is a "long peak range" in the adjustment accuracy of the sharpness, so that photographers can always achieve satisfactory results in astrophotography. Even if the focus is not quite precise, round and sharp stars are still shown throughout the entire image field. Illumination without vignetting In most cases, an astrograph also produces optical vignetting (a gradual decrease in light rays towards the edge of the image) This is mainly caused by rear lenses being shaded by the front lenses. Because of this darkening, it is relatively normal for the photographer to have to further edit the image after taking the picture and also have to do some additional so-called flats before taking the picture. To solve this problem, the VSD90ss uses wide aperture lenses in the rear elements, securing over 90 % of the light volume at the edge of the 60 mm image circle. Since the light intensity is uniform throughout the entire image field of the VSD90ss, there is no need for complex technology to prevent edge darkening. The VSD90ss is coated with the most modern coatings of extremely high reflectivity. These coatings have been specifically developed to optimize the properties of each individual lens element without degrading contrast and light intensity across multiple lenses. Numerous gradations of light bring beautiful point-like stars into the image field The low optical vignetting ensures sufficient illumination and thus eliminates the asymmetric flare caused by bright, diffraction-limited stars. It prevents stars at the edge of the 60 mm image circle from exhibiting deformations such as comets, astigmatism or coma. Since the illumination of the image field is relatively similar from the center to the edge of the image, you can expect excellent star imaging. Please note: *Depending on the recording system used, mechanical vignetting can still occur due to the camera body or incorrect adapters. 96.7％ Strehl for impressive visual observations The VSD90ss offers a flattened large field of view with a low magnification wide angle eyepiece. Even with a high-quality wide-field eyepiece with a large field of view, you can get sharp images of stars in the entire field of view when visually observing! In the centre of the field of view, a Strehl intensity of an impressive 96.7% is achieved at visible wavelengths. This Strehl ratio exceeds that of the SD81SII apochromat at 95.7%, which is known for its excellent optical properties, and this also works excellently when observing the moon and planets at high magnification. The versatile large and stable focuser The VSD90ss has a large focuser with a diameter of 87.5 mm to make optimal use of the large illumination field of 60 mm. With the large extension that is compatible with many accessories, it is perfect for astrophotography up to large format or 35 mm full frame DSLR cameras. Thanks to its precise manufacturing, it is also suitable for very heavy cameras without tipping. The precision locking lever of the eyepiece extension The focuser's extension tube has a locking lever that holds the extension tube firmly in position even when using heavy cameras such as large format cameras or CCD cameras with a large sensor. The locking lever clamps the rack gear to the extension barrel so that the viewing angle or focus on your camera does not shift. Compatible with motor driven focusers An optional two-speed motor focuser (not included) is available for the VSD90ss to provide sensitive focusing. An EAF (Electronic Automatic Focuser) from ZWO or equivalent can also be retrofitted. Optional VSD Reducer for even faster results The tried and tested optional VSD reducer, which was also used on the predecessor, the VSD 100, is also compatible with the VSD90ss. The photographer gets even faster results in astrophotography with an aperture ratio of 1:3.9. CHARACTERISTICS 90 mm aperture, 495 mm focal length (F5.5) Needle-fine stars up to the image field edge in 44x33 mm format 5 lens elements in 5 groups Image illumination up to 60 mm Resolution power: 1.29 Limit size: 11.5 Light gathering capacity: 165x Illumination: 60 mm Dimensions: 115 mm diameter x 600 mm length (476 mm length for storage) Weight: 4.3 kg Connections/Thread: Size thread/84 mm (pitch 1 mm), 60 mm (pitch 1.0 mm), 42 mm for T-ring push fit / 60.2 mm, 50.8 mm and 31.7 mm Solar observation: separately available solar projection approach B Optional VSD100 reducer compatible (opening ratio F: 3.9) SCOPE OF DELIVERY VSD90ss high performance astrograph

Available

£5,983.00*

EXPLORE SCIENTIFIC Solarix Solar Filter Film A4

Observe solar eclipses, sunspots, planetary transits, flyovers by aircraft and satellites.For DIY construction of objective filters for smartphone cameras, telescopes, binoculars, photo and video cameras.Newly developed solar filter film with the optical quality of a high-quality glass filter but with the durability of a polymer film.Double protective filter thanks to the polymer carrier material with an additional reflective coating.Produces a very natural bright-yellow solar image.Also suitable for high magnifications.Very uniform brightness distribution.Ideal for visual and photographic use.Very low weight and therefore requires no additional counterweights.Extremely flat surface compared to most other film filters, which very easily develop creases and kinks.Very resistant to damage.Lab tested to DIN EN ISO 12312-2 : 2015-11100% safeTECHNICAL DATAMaterial thickness: 0.05 mmOptical density: 5Optical transmission: 1/1000 of 1% (99.999% reflection of incoming light)Format: A4 - 210 x 297 mmSCOPE OF DELIVERYFilter film, A4 formatInstruction manual

Available

£19.90*

EXPLORE SCIENTIFIC Zero X Field Flattener 2''/M48 for ED80, ED102 and ED127 APO

Field flattener without reduction factor for Explore Scientific ED80 , ED102 and ED127 APO Refractors Correction for up to full-frame camera sensors (24x36mm) How to use the Zero X field flattener with M48 thread connectionFEATURESField flattener for Explore Scientific ED80, ED102 and ED127 APO telescopesRemoves field curvature from telescopesProduces round stars even at the edge of the image fieldImage sharpness at the edge is drastically increasedA clear benefit for the whole image aestheticsCorrection of field curvature for up to full-frame camera sensors (24x36 mm)Image field flattener without reduction factorOn the telescope side with 2 inch (50.8 mm) plug-in connection and M48x0.75mm filter threadCamera side with large M48 threaded connectorWorking distance of 55 mm between field flattener and camera sensorFor telescopes with a focal length of approx. 480 to 952 mmOptimised for telescopes with focal ratios from F=6.0 to F=7.5Can also be used for various other APOsFully multi-coating on all lens surfacesHousing made of lightweight aluminium, black anodisedAluminium dust cap for M48 threadSCOPE OF DELIVERYZero X field flattener (1 piece)Dust caps

Available

£169.00*