QHY268M Mono CMOS Camera Archives - Modern Astronomy https://modernastronomy.com/product-tag/qhy268m-mono-cmos-camera/ Visual and Electronic Astronomy... Wed, 15 Apr 2026 09:57:50 +0000 en-GB hourly 1 QHY268M Mono CMOS Camera https://modernastronomy.com/shop/cameras/cooled-ccd/qhy-cooled-ccd-cameras/qhy268m-mono-cmos-camera/ https://modernastronomy.com/shop/cameras/cooled-ccd/qhy-cooled-ccd-cameras/qhy268m-mono-cmos-camera/#respond Mon, 11 Jan 2021 23:09:09 +0000 https://www.modernastronomy.com/?post_type=product&p=91756 The QHY268M Mono CMOS Camera is a cooled, back-illuminated, CMOS camera based on the IMX571 sensor with 16-bit A/D and 3.76um pixels.
Demand for this camera is always high, grab it while you can.

Ask about combos with Wheels, OAGs and filters, we endeavour to beat any UK price!

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]]> QHY268M Mono CMOS Camera is a cooled, back-illuminated, CMOS camera based on the Sony IMX571 sensor with native 16-bit A/D and 3.76um pixels. This is the Mono version of the popular QHY268C colour camera.

The QHY268M Mono CMOS Camera has a newly designed front end giving a BFL of only 12.5mm.

The QHYCFW3-M-US and QHYOAG-M are compatible and it’s easier to use 1.25″ format guide cameras like the QHY5L-II Mono

More info at the QHY website and below:

QHY268M MEDIUM FORMAT SCIENTIFIC CMOS CAMERA SPECIFICATIONS
Model QHY268M
Image Sensor SONY APS-C CMOS Sensor IMX571
Sensor Type Back Illuminated (BSI)
Pixel Size 3.76um x 3.76um
Sensor Surface Glass Multi Layer AR coating
Effective Pixels
26 Megapixels
Effective Image Area
6280*4210 (includes the optically black area and overscan area)
Full Well Capacity
51ke- (> 75ke- in extended full well mode)
A/D
Native 16-bit (0-65535 greyscale) A/D
Sensor Size
APS-C format
Full Frame Rate
USB3.0 Port:
Full Resolution  6.8FPS  @8BIT         6FPS @16BIT
2048lines         13.6FPS  @8BIT     11.5FPS@16BIT
1080lines         25.4FPS  @8BIT     19.5FPS@16BIT
768lines           35FPS     @8BIT        25FPS@16BIT
480lines           50FPS     @8BIT        34FPS@16BIT
Read Noise 1.1e- High Gain, 3.5e- Low Gain
(5.3e- to 7.4e- in extended full well mode)
Dark Current 0.0005e/pixel/sec @ -20C        0.001e/pixel/sec @ -10C
Zero Amplifier Glow Yes
Exposure Time Range 30us – 3600sec
Firmware/FPGA upgrade Fully Supported via Camera USB port
Non-volatile memory / On camera storage Build-in total 64MByte Flash Memory. 10MBytes user-accessible space for stellar ROI frames for analysis for exoplanet investigation, occultations, atmospheric seeing measurements, focus, optical analysis, etc. Supports 100*100 image x 500 frames; 50*50 image x 4000frames; 25*25 image x 16000 frames; 10*10 image x 250000 frames .
Shutter Type Electronic Shutter
Computer Interface USB 3.0
Built-in Image Buffer 1GByte/2GByte DDR3 Memory
Cooling System
Dual Stage TEC cooler（-35C below ambient）
Anti-Dew Heater
 Yes
Telescope Interface
  M54 or M48 with provided adapters and spacers
Optic Window Type  AR+AR High Quality Multi-Layer Coatings
Back Focal Length
12.5mm（±0.3）

 

 

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