Description
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:
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QHY268M MEDIUM FORMAT SCIENTIFIC CMOS CAMERA SPECIFICATIONS
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| 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 |
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Effective Pixels
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26 Megapixels
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Effective Image Area
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6280*4210 (includes the optically black area and overscan area)
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Full Well Capacity
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51ke- (> 75ke- in extended full well mode)
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A/D
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Native 16-bit (0-65535 greyscale) A/D
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Sensor Size
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APS-C format
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| 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 |
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Cooling System
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Dual Stage TEC cooler（-35C below ambient）
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Anti-Dew Heater
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Yes
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Telescope Interface
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M54 or M48 with provided adapters and spacers |
| Optic Window Type | AR+AR High Quality Multi-Layer Coatings |
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Back Focal Length
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12.5mm（±0.3）
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