QHY 183 Cooled Monochrome CMOS Telescope Camera

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QH-QHY183M
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DESCRIPTION

QHY 183 Cooled Monochrome CMOS Telescope Camera

The QHY 183 Cold MOS Cooled Monochrome CMOS Camera is a one-inch, 20 megapixel back-illuminated monochrome CMOS camera with a peak QE of 84-percent. The pixel size is 2.4 um, yielding high-resolution with modest size telescopes. The camera is capable of producing 5fps at 20 megapixels. It has a two-stage TEC that cools the sensor to Neg.40-degrees C to Neg.45-degrees C below ambient. The ADC is 12-bit / 16-bit with 1e- read noise! The computer interface is USB 3.0 and exposure times can be set from 50 us to 3600 sec.

Sony's Image Sensor Exmor R is a back-illuminated CMOS image sensor with improved sensitivity and noise reduction - the key factors to enhancing image quality, while radically realigning their fundamental pixel structure from front-illumination to back-illumination. It retains the advantages of CMOS image high-speed operation while dramatically improving sensitivity.

The QHY183M has a 128 MB DDR Memory Buffer. A QHY183M 16-bit image is about 40 MB, so 128 MB of memory can easily buffer a full frame for transfer to the computer using QHY183M software with native single-frame shooting function, instead of intercepting a frame from a continuous video transmission. This makes data transfer to the computer stable and reliable because there is no USB bandwidth or busy CPU problems.

The QHY183M utilizes the Anti-Dew features common to the QHY COLDMOS cameras. A heated optical window prevents exterior dew from forming, and the CMOS chamber has a desiccant plug socket to prevent moisture from forming on the sensor at cold temperatures.

The QHY183M incorporates QHY's Anti-Amp Glow technology to significantly reduce typical CMOS amplifier glow to a minimum, allowing excellent calibration by subtracting a dark frame.

  • Anti-dew heater to eliminate condensation and ice buildup
  • Anti-amp glow circuit to reduce long exposure amp glow
  • 128 MB DDR memory to speed up download times

 

SPECIFICATIONS

ADC12 bit
Back Focus Distance17.5mm
Bayer MatrixMonochrome
Camera ConnectionFemale M42x.075
CooledCooled
Delta T40°C Below Ambient
Dynamic Range12 Stops
Free ShippingYes
Full Rez Frame Rate15fps
Full Well16ke
ManufacturerQHY
Max Frame Rate25fps
Mega Pixels20.5 mp
Peak QE74%
Pixel Array5544 x 3694
Pixel Size2.4 microns
Read Noise2.7e
Sensor Diagonal16mm
Sensor TypeCMOS
SensorSony IMX183
Weight1 lbs

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