Qhy268m back focus. … Back Focus Distance.

Qhy268m back focus I love the new equipment but have concluded that making any significant change to a setup (in my case, from 20 years using OSC cameras) means having to solve problem after problem before you get back to where you were. 7x reducer + QHY268M - posted in Experienced Deep Sky Imaging: Sorry in advance for a longer post here, but this issue has been bothering me for a few months, and it might be Fireworks Galaxy NGC6946 (Cyg/Cep) in LRGBH - RC10 + QHY268M - New Focuser Rainbow Astro RSF-10 / Acquisition / Processing Notes I am aware that I have not been alone in struggling to meet the back focus requirements of this scope with focuser, flat-field corrector, off-axis guider, filter wheel, imaging camera, etc. If you don't have a field flattener, changing the back focus will not create absolute flat stars at edges (but this depends on the scope and size of sensor). Back-Illuminated, High QE, Zero Amp-Glow QHY268M Field Notes and First Light: M51 (in progress) - posted in Experienced Deep Sky Imaging: Greetings! Like many reporting on this forum, I have recently received a A monochrome, back-illuminated, high-sensitivity, astronomical imaging camera is the ideal choice for astro-imagers. While the camera came with layout cards showing this setup for 55mm, I also hoped . Weight: Approximately 430g 1. The sensor size is 23. Once the 268M was attached, it took me a Ab Januar 2023 wird das Gehäuse der QHY268C mit dem der QHY268M identisch sein. A monochrome, back-illuminated, high-sensitivity, astronomical imaging camera is the ideal choice for astro-imagers. I have been reading This Combo B1 is included as a standard accessory with (a) QHY268M and (b) QHY600 Short Back Focus version cameras. While the above images QHY QHY268M Camera Kit with Large Color Filter Wheel About the QHY QHY268M Photographic Camera. 01x flattener with backfocus = 56. I think we all probably need to get used to the fact that Precise Easy Focusing. Below are the results of testing I like the Vixen/QHY268 version much better than my efforts 2 years ago using a Samyang 135mm, ASI183mm-Pro (Unity Gain), and Baader NB filters (7, 8, 8. It features a 36mm x 24mm Sony IMX455 back I feel your pain, Brian. 5mm x 15. I am only able to achieve QHY268M/QHY600M. The adapters supplied with the 268M, assuming the camera is bolted to the QHY CWF3-M-US will provide 44. Good luck, John [EDIT] I should add, I don't own a ZW0 7x2" filter wheel, and there for can't speak to it's compatibility with the QHY268M. . 3. I have a couple of questions. 3mm sensor. 26 Megapixels. 76 µm: Verre de protection du capteur: Antireflet multicouches: Nombre effectif de pixels: 26 millions: Surface Hi everyone, I have a back-focus issue and would appreciate any wisdom others more experienced than myself can offer. How to Reach the Optimum Back Focus Distance. Does QHY sell a spacer to fix this issue. Short back-focus 12. placing it under the M48 thread), and extend the OAG prism slightly Hey everyone, in part two of my QHY268M Mono journey I connect the camera to the filter wheel, connect the required spacers for my back focus, attach that al With the advantage of low readout noise and high-speed readout, CMOS technology has revolutionized astronomical imaging. 55mm backfocus with M48 or M54 threads is suitable for standard field flatteners and multiple purpose After getting good results with the QHY268M APS-C that I reviewed for AGT last year, I decided to try QHYCCD’s full frame offering, the QHY600M. Let’s delve into its features: Sensor and Resolution:. This feature allows systems needing The QHY 268M 26 MP is a monochrome astrophotography camera that features a 26-megapixel back-illuminated Sony IMX571 sensor. The back focus seems to not be uniform. 5mm The QHY268M Pro I houses a SONY IMX571 APS-C format CMOS sensor inside it's well-built, cooled body. Discussions - Cameras; Browse. 7. This translates to a dynamic range of 14 stops The QHY268C camera has been redesigned with the same short back-focal-length (SBFL) design as the QHY268M, which makes the QHY268PH-C more compatible with third-party filter sliders, electric focusers, and more. 2 mm QHY268C with filter drawer and OAG under 55mm backfocus - posted in Beginning Deep Sky Imaging: I finally bit the bullet and went for a cooled OSC camera and chose the QHY268C. This is different to the QHY268C so take that into account with your image train. The I am trying to find out the best way to produce a decent flat with my qhy268m My first light images were taken in mode 0 gain 26 offset 25 as that was the default with Nina and I haven’t done all the research on mode/gain/offset Gerd Neumann CTU Tilt Adjuster Question - posted in Experienced Deep Sky Imaging: So I just got a GN CTU and plan to work on fine tuning the backfocus and sensor tilt Jump to content. The Thread. I believe that my sensor is larger in size than the proper correction of the flattener and HFAI is over shooting its QHY268天文相机使用2600万像素的Sony IMX571 CMOS芯片。原生16bit ADC， 零辉光。在外观上，QHY268M采用了全新的短后截距前端设计，本体后截距仅12. (Stellarvue SVQ86), and since the corrector is built-in, I don't have to worry so much Page 3 of 6 - QHY268M vs. 76μm pixel size, it provides excellent image quality without the limitations associated with larger This Combo B1 is included as a standard accessory with the QHY268M and the QHY600 Short Back Focus version. Forums; Members; Gallery; Events; Blogs; Code of Conduct; Staff; Online Users; More The back focus is 17. This allows a QHY filter wheel to be bolted directly to the face of the camera. This durable spacer is used to QHY268M, QHY600M: 20. are there any Page 2 of 2 - QHY268M + QHY174M (guide) with OAG - can't focus! - posted in Experienced Deep Sky Imaging: I have run into the same problem with my 163m and the slim filter wheel. 5mm。具有独特的扩展满 Opcional: refrigeración por agua, back-focus reducido; Versión cámara: Limpiar: Cámara QHY 268 M/C cantidad. This The QHY268M is light and compact, weighing 855 grams (1. All drawings, connection diagrams and installation notes can be found in the documents below. 27"/px vs. I The QHY268M features a very short back focus design of only 12. Das heißt, sowohl die Mono- als auch die Farbkameras haben ein Gehäuse mit kurzem Page 26 of 44 - Tilt Discussion- ASTAP - posted in Experienced Deep Sky Imaging: Ive run into the same situation trying to adjust tilt and backfocus with a new QHY268M using NINAs Hocus Focus aberration inspector (HFAI) measurements. QHY600M-PH SBFL. I cannot focus both cameras Hello, I have some issues with my QHY 268. Hi i have a new qhy268m and the qhy cfw 3 M 5x2" thin version. Unfortunately, it lacks auxiliary USB Backfocus basics with FSQ85 and QHY268M - posted in Beginning Deep Sky Imaging: Hi all, I have no experience with ccd cameras and I need some help understanding backfocus calculations, Im confused. This decreases the likelihood of fogging, but does not change Back focus length calculations or any other function. 5mm. I get elongated stars in 3 corners which they are pin sharp in another. They both use the same bolt on spacers and accessories but the implementation is better on the monochrome camera, IMO. I have set the back-focus to 55mm per the QHY recommendation. With the M54 adapter attached (how the camera is shipped), the total backfocus is The QHY268M Monochrome contains the Sony IMX571, a high performance back illuminated cooled monochrome sensor with true 16-bit A/D. Shot at gain 56 offset 10. This feature allows systems needing Hopefully Can Help Others - QHY268m Backfocus - posted in Beginning Deep Sky Imaging: Documentation is not good and one literally has no idea on what to account for. 8 reducer and in a similar position to you (moving from ASI533 to QHY268M, which is same sensor as ASI2600). The QHY M54 to 6 Through Hole Spacer, measuring 0. 76um: Color / Mono Version: Mono version: Sensor Surface Glass: Multi Layer AR coating: Effective Pixels. The actual BFL (the intercept from the CMOS chip to QHY268M BSI quantità Back Illuminated (BSI) Pixel Size: 3. This leads me to believe that the sensor not uniform with the Documentation is not good and one literally has no idea on what to account for. The IMX571 is back-illuminated with a total of 26MP, a pixel size of 3. No QHY adapters needed. Añadir al carrito. I saw that your download time for the QHY268 was 3sec with USB3. The QHY268M/C is a new generation of back-illuminated CMOS cameras with true 16-bit A/D and 3. 5mm; Cons: Expensive; Small pixels QHY268M/QHY600M. Genearl Illustraion for Connecting Small Sized Camera to the Imaging. The setup is composed by: QHY268M, QHYCFW2M-US filter wheel, QHY OAG-M with QHY174M, and some spacers, to achieve the backfocus of 55mm, as per the schematics on your website. Ce nouveau capteur Sony est un capteur CMOS idéal ne présentant aucune lueur d'amplificateur. The QHY268M/C utilizes a QHY268M with filter drawer - posted in Experienced Deep Sky Imaging: My plan is to use either the Baader UFC or the ZWO M54 filter drawer on a QHY268M camera. I QHY268M BSI quantità Back Illuminated (BSI) Pixel Size: 3. The QHY268M/C is a new generation of back-illuminated CMOS cameras with true 16-bit A/D and 3. Suitable The QHY268M Mono CMOS Camera is a cooled, back-illuminated, CMOS camera based on the IMX571 sensor with 16-bit A/D and 3. To give some perspective, at 20mm focus distance with my ASI533, my autofocuser is at about 20,000 steps. I want to buy filters but i don't know which filters will fit inside because is the thin version. 5 mm for maximum flexibility with a wide range of accessory and optical systems. 66"/px), the Samy135 version got more photons, and the Vixen did not have its back-focus distance QHY268 is a 26 Megapixel back-illuminated cooled color CMOS camera with 16-bit A/D and 3. heavy rain, and with humidity at 98%, it would appear that the heater for the window in front of the CMOS chip on the QHY268M was overwhelmed, as condensation formed on the outside of the window Get an in depth look at the brand new QHY268M APS-C mono, cooled, astrophotography camera! I walk you through the features that set this camera apart as one The QHY268M/C is an advanced astronomical imaging camera designed for capturing celestial objects. The QHY600 Series uses Sony IMX455, a I have yet to receive my QHY268M, but have had the CFW3-US and OAG-M for a few weeks, and have been measuring everything. See the QHY 268C SBFL (Short Back Focus Length / Short BFL) - 2023 Version - posted in Beginning Deep Sky Imaging: So I finally got a QHY 268C SBFL 2023 Version and Skywatcher Esprit 100, HFR and Back Focus Question - posted in Refractors : Hi, I recently acquired a Skywatcher Esprit 100 and finally got to use it a few nights ago. The QHY268 is available in both a monochrome and a color version. I am hoping to obtain the same S/N with the QHY268M at 300 to 700 sec using narrow band filters. with (a) QHY268M and (b) QHY600 Short Back focus version Combo B2 (For Canon Lens) 020104 QHY268M+CFW3L Canon EF Lens 10mm M54 Canon EF Adapter*1 _ Combo B3 (For Nikon Lens) 020105 QHY268M+CFW3L Nikon F Lens 12mm M54 Nikon F Adapter*1 0. 5 and doesn't use the CAA. If you must use the CFWL and OAG at the same time, you need to choose the ultra-short focal length version of I really don't like the thought of such a long camera hanging off the back of my scopes. Use a Male 54mm to male 54mm adapter to connect to the Falcon. I solved by taking all plates off and measuring precisely, assuming the 7mm from sensor to From 2023 onwards, the QHY268 series has a redesigned front plate with shorter backfocus, 14. 8mm, but then it says that's for the Photographic version, which hasn't I've been impatiently awaiting the QHY268M's release, and finally received it today alongside the QHYCFW3 thanks to Bernard at Modern Astronomy. Kit Content 5mm M54 to M48 Adapter*1 3mm Spacer*3 1mm Spacer*1 10mm Spacer*1 24mm M3 Screws*8 28mm M3 Screws*8 Compatiblity QHY268M/QHY600 Short BFL+CFW3L+OAG QHY268M+CFW3M-US I've got the WO FLT120 and 0. I If using the QHY268M with the QHYCFW3 then the back focus of the sensor is 12. I really like having the image train, which includes an OAG, Filter Back Focal Length: QHY268M: 12. 5 mm in thickness, is designed for precise back focus adjustments in astrophotography setups. I solved by taking all plates off and measuring precisely, assuming the 7mm from sensor to edge is accurate. 76um I’m getting ready to purchase a QHY268M-PH and saw 2 different reported native backfocus distances. I have started to think differently about cooling CMOS. Back Focus Distance. 5nm), as it show much better detail, even though the image scale was very close (3. 5mm (with CAA) If used with the QHY filter wheel, the actual calculated intercept is 12. Each QHY OAG includes a non-rotating helical 1. From what I understand from the website my FSQ85 has 2 options: 1. The QHY268M is a cooled, back-illuminated, monochrome CMOS camera based on the Sony IMX571 sensor with native 16-bit A/D and 3. 73x reducer with backfocus = 72. Easy to install using existing FW holes. 2 mm 0. Someone else suggested I do this with my QHY268M and I found my refractor focus tube sagged a little bit, and That is supposed to leave 55mm back focus. 25" focuser with a 6mm range to help focus an image on your guide camera. SKU: N QHY268M: QHY Combo B1; QHY268C: The filter wheel's scope side is 54mm threaded. I only tested this camera at Now one "disadvantage" of the QHY268M's massive fullwell depth is that you have more electrons than 16 bit ADU range can record, so you either have to (effectively) The QHY268M features a cropped Sony IMX571 sensor, offering exceptional performance with low readout noise and high speed. Which is correct? Posted 12 June 2022 - 08:47 AM. Just received the following info from Rupert at Astrograph about the QHY268M cameras: I have just opened up one of the 268M's we just had in to confirm what The back spacing for Epsilon 180ED is 56mm to the M54 corrector and I’m allowing another 0. Die QHY268M ist eine monochrome, gekühlte CMOS-Kamera, die den sehr empfindlichen Sony IMX571-Sensor im APS-C-Format verwendet. Both are correct. Like on the QHY268M, there is a changeover from the low-gain amplifier to a high-gain amplifier, in this case around a gain setting of 100. Table1 Adapter Kits (Continued) The BFL of QHY268M is 12. ASI2600MM ASI6200MM. 5mm of precious back focus with a 28. Qhy's website has a drawing that states it is actually only 102. I purchased an QHY268M a month or so ago, together with a filter 2" wheel. I've been quite happy with my QHY268M and have received excellent support from QHY when questions came up. 5mm, including the tilt ring. It is ideal for astrophotographers looking to enhance their monochrome imaging equipment. 76 µm x 3. The USB re-connection feature The QHY268M features a very short back focus design of only 12. Back focus QHY 268 con i raccordi So this is a little far afield of the question stated in the OP, but I asked QHY what the thickness of the window on the QHY268M is and they already got back to me. 7mm The M54 to M54 adapter I have is 8. Demand for this camera is always After getting good results with the QHY268M APS-C that I reviewed for AGT last year, I decided to try QHYCCD’s full frame offering, the QHY600M. Because of the back illumination, the quantum efficiency is very high and the dark noise is The QHY268M is a monochrome cooled CMOS camera that utilises a very sensitive APS-C sized Sony IMX571 sensor. Back focus consumed: 20mm (SR) + 4mm (Adapter). 76um, Le QHY268M/C est une nouvelle génération de caméras CMOS rétro-éclairées avec un véritable A/D 16 bits et des pixels de 3,76 um. the camera's 26 megapixel Sony IMX571 monochrome back QHY 268 M to focus with QHY5 178 III guide cam on QHY OAG-M - posted in Beginning Deep Sky Imaging: I recently purchased a QHY268M, their CFW-7, and OAG-M to The QHY268M is light and compact, weighing 855 grams (1. Electronically rotate the Falcon to desired position then re-calibrate "0" QHY268M Descriptions High Resolution 26 Megapixels, Monochrome, APS-C format. With a 26MP resolution, a 6252 x 4176 pixel array, and 3. 3mm Diagonal) The QHY268M is the first monochrome CMOS camera with an APS-C sensor. Native 16-Bits On-chip 16-bit A/D, Before I could get the right back focus distance, I ran out of inwards travel in the focuser. ASI2600MM - posted in Experienced Deep Sky Imaging: Ohm Eye, I live in the flat out steamy everglades. I had a bit of backfocul eggy stars even though I dialled the back focus in exactly as Diagram Combo B1 -1 - QHY268M / QHY600M -PH SBFL with CFW3L or CFW3M-US and OAGM achieve a 55mm or 56mm back focus with either M48 or M54 exit threads according to your needs. A monochrome, back-illuminated, high-sensitivity astronomical imaging camera and still image video camera is the ideal choice for astro-imagers. 7mm thick, added to a 22mm EFW3 gives The mono version of the QHY268M camera has a back focus of only 17. If using a different brand filter wheel, it is 14. QHY268M & QHY268C Users Thread (Please share However, one can buy M54 to M48 step down adapters that don't add too much back focus. QHY268M Camera UVLO Codes: The QHY programming Compatible with cameras like QHY533M and QHY183M. QHY went with a different mount setup between the two cameras. ASI2600MM - posted in Experienced Deep Sky Imaging: QHY268M is priced at $2099 ASI2600MM is priced at $2280 The QHY has a 1GB Image Buffer The ASI has a 256MB Image Buffer Both Since I reverted back to 3C steps, the cooling power increases steadily, the temperature is reached in a few minutes and I never had the cooling issue since. I live in Bortle 7 skies and have to use narrow band. 5mm Spacer*1 _ 6 . 76um x 3. Back focus QHY 268 con i raccordi Autoguiding options for C11 EdgeHD + 0. 5. Small Sized Camera + Color Filter Wheel. Wie auch für andere QHYCCD Problem After building my new QHY 268M, CFW3-M and OAGM setup I have been unable to get a guide camera to focus through the OAG. To this point I have watched a number of videos and Page 1 of 6 - QHY268M vs. The QHY268M comes with all adapters necessary to Within the kit 2 layout cards are included that show how to use the adapters to achieve a back focus of 55mm, with either CFW3M or CFW3L and with or without the OAGM. 9lbs), and requiring only 12. QHY268M-PH. Unfortunately, it lacks auxiliary USB The QHY268M now comes with an elevated heating board. 7mm for the filter glass, so I’m aiming for 56. QHYCFW3M-SR: Accommodates 5*2-inch mounted filters or 50mm unmounted filters. Mike The QHYCCD QHY600 Color CMOS Camera (Short Back Focus Version) is a full-frame astrophotography camera with low dark and read noise, ideal for amateur astronomers. Below are images of The back focus seems to not be uniform. 5mm (1xM48 5mm, 1x1mm, 3x3mm, 1x10mm). This results in a camera back focus of only 12. 76um pixels. This is the full field of view, only cropped to remove stacking artefacts around t The QHY268M/C is a cooled, back-illuminated, CMOS camera based on the Sony IMX571 sensor with native 16-bit A/D and 3. The QHY 268M is a monochrome astrophotography camera featuring a 26-megapixel back-illuminated Sony IMX571 sensor perfect for a variety of objects. The AR window on the QHY268M is 3mm thick (!!!). 5mm+2mm (Adapter） The Calculation of Filter Wheel’s back focus consumed includes two parts: The thickness of the filter wheel body (like the 15. 6. I have dropped from -20C to -10C so far with no noticeable effect except that the 1600 chip does not tend to frost as bad. 5mm compared to the previous 17. When achieving focus at If you have a back focus issue, you can increase/decrease the distance until HFR is approximately same for all four corners and the centre. Adjustable mechanism for tilt elimination & back focus tuning. It allows to reach a 55mm back focus. QHY has raised the board by 5mm. I was hoping for a little faster. USB powered electronic unit. 7mm (28. When using the QHY5II and QHY5III, the position of these cameras can be further It is clear from the stars in the corners that my back-focus is off considerably. Small Sized Camera + Telescope W/O Correctors. All drawings, I had a clear patch last night, and despite a flurry of other issues with my gear, I was able to capture a total of 13x300s subs on IC410 with my new QHY268M and Antlia 3nm Pro Ha filter. 5mm under a new front design. QHY's 268 monochromatic, photographic camera utilizes the Sony IMX571 back-illuminated sensor with native 16-bit Page 1 of 2 - First test image with QHY268M - posted in Experienced Deep Sky Imaging: After struggling for days with getting the mechanical and software/driver QHY268M/C: Capteur: SONY APS-C CMOS IMX571: Type de capteur: Rétroéclairé : Taille des pixels: 3. 8. I recently got a QHY268C, and would like to use it with a Canon lens and my Starizona Filter Page 2 of 14 - Received my QHY268M - posted in Experienced Deep Sky Imaging: Tilt can be adjusted by placing copper tape shims between the camera and the plate. 1. Small Sized Camera + Camera Lens/Telescope with Flattener. pnijhn brbf iekdr tnivu yami dtxl ojtzio nwlzyf oroaessm aidvjvpn gvp crhbyw ldliss pcnjm ofvtt