Model QHY268M-PH (Photographic Version) 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- (More than 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 0.7e- High Gain, 3.5e- Low Gain (2.7e- to 5.5e- 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 Support. 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 Humidity Sensor Yes Telescope Interface Support M54 or M48 (Combined with adapters ) Optic Window Type AR AR High Quality Multi-Layer Anti-Reflection Coating Back Focal Length See Combo drawings Weight 1006g
