OHY247C

Low read noise

QHY247C uses 24 million pixel APS-C format CMOS image sensor IMX193. Pixel 3.91 microns, 36ke-full well, 14-bit ADC sampling, USB3.0 transmission. The read noise is only 2.7 electrons at the lowest gain and 1.0 electrons at the high gain.

Model QHY247C

CMOS chip Sony IMX193

Color / black and white

Front-illuminated/Back-illuminated Front-illuminated

Pixel size 3.91um＊3.91um

Full resolution 6024*4024

Number of effective pixels 24 million

Typical size APS-C

Full well charge number 36ke-

Output sample depth 14-bit

Read noise 1e-to 2.7e-

Dark current 0.0012e/pixel/sec ＠-15C

Exposure time 50us-3600sec

Unity gain 2200

Glow suppression close to zero glow

Shutter Electronic rolling shutter

  Computer interface USB3.0

Onboard cache 128 AB DDRZ2 image buffer

Refrigeration system Double-layer refrigeration system (close to 35 degrees Celsius ring mirror temperature difference)

                             AR＋AR high-quality multilayer antireflection coating

Optical glass window

                             (Need to install with UVIR infrared cut filter by yourself

Telescope interface M54/0.75

Frame rate @ 3FPS

At full resolution

                          Sealed cavity silicone drying tube connector

Anti-condensation function Sealed cavity glass window heater

Back intercept 17.5mm