QHY268M Cooled Monochrome CMOS Camera - APS-C FORMAT
The QHY268 Photographic Cooled Color CMOS Camera has a back-illuminated 26 megapixel APS-C sensor with 16-bit ADC and 3.76 um pixel size.
NATIVE 16-BIT ADC 65536 LEVELS
The QHY268C is the CMOS camera with native 16-bit A/D on-chip. The output is real 16-bits with 65536 levels. To compare with the 12-bit and 14-bit ADC. The 16-bit ADC can get high sample resolution, system gain will be less than 1e/ADU. No sample error noise and low noise.
GREAT FULL WELL: 51KE- AT 3.76 UM
One benefit of the back-illuminated CMOS structure is improved full well capacity. This is particularly helpful for sensors with small pixels. Even with unbinned 3.76 um pixels the QHY268C has a full well capacity of 50ke-
With a 1 to 4 e read noise, the QHY268C has only one electron of read noise at high gain and 15/fps high readout speed. One electron of read noise means the camera can achieve a SNR>3 at only 4 to 6 photons. This is perfect performance when conditions are photon limited, i.e., short exposures, narrow band imaging, etc., making this large area sensor ideal for sky surveys and time domain astronomy.
BACK-ILLUMINATED: ELECTRIC ROLLING SHUTTER AND LOW DARK CURRENT
This back-illuminated Scientific CMOS camera has extremely low dark current using SONY's Exmor BSI CMOS technology. In general, the fan-blade mechanical shutter will be broken if it is used 200,000 times or so, and in some specific cases it is easy to fail to switch on or off. The advantage of electronic shutter over mechanical shutter is high-reliability and stability when the observatory shoots a large number of pictures. The electronic shutter is a relatively perfect choice for the observatory.
BEST MATCH FOR A HYPERSTAR OR RASA SYSTEM
The round camera case design of QHY268C and the imager size is your best match for Hyperstar or RASA systems.
Using the USB3.0 interface you transfer at 6/fps.
The QHY268C has regulated TEC Cooling with 2-stage TE Cooler.
|Color or Monochrome Camera?||Monochrome|
|Cooled or Uncooled||Cooled|
|Anti Dew Heater||Yes|
|Back Focus||17.5 mm|
|Buffer||2 GB DDR3|
|Camera Connection||Female M54x.75|
|Dynamic Range||14.1 Stops|
|Full Rez Frame Rate||6.8fps|
|Max Frame Rate||50fps|
|Mega Pixels||26.4 MP|
|Pixel Array||6280 x 4210|
|Pixel Size||3.76 microns|
|PS||3 Microns or Smaller|
|Sensor Diagonal||28.4 mm|
|Sensor Size||C Format|
|Computer Interface||USB 3.0|
|Camera Weight (lb.)||1.4|
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