QHY 183 Cooled Color CMOS Telescope Camera
- 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
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QHY 183 Cooled Color CMOS Telescope Camera
The QHY 183 Cold MOS Cooled Color CMOS Camera is a one-inch, 20.48 megapixel back-illuminated color CMOS camera with a peak QE of 74-percent. The pixel size is 2.4 um, yielding high-resolution with modest size telescopes. The camera is capable of producing 5fps up to at 20.48 megapixels. It has a two-stage TEC that cools the sensor to Neg.40-degrees C below ambient. The ADC is 12-bit / 16-bit with a read noise as low as 1e-! The computer interface is USB 3.0 and exposure times can be set from 50 us to 3600 sec.
Sony's Image Sensor IMX183 BSI 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 QHY183C has a 128 MB DDRII full frame memory buffer. A QHY183C 16-bit image is about 40 MB, so 128 MB of memory can easily buffer a full frame for transfer to the computer using QHY183C 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 QHY183C 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 QHY183C 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.
Vendor Number: 100090
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SPECIFICATIONS
| ADC | 12 bit |
|---|---|
| Antidew Heater | Yes |
| Back Focus | 17.5 mm |
| Builtin Image Buffer | 128MByte DDR2 memory |
| Camera Connection | Female M42x.075 |
| Color or Mono | Color |
| Computer Interface | USB3.0 |
| Cooled | Cooled |
| Delta T | 40C |
| Dynamic Range | 12 Stops |
| Free Shipping | Yes |
| Full Rez Frame Rate | 15fps |
| Full Well | 15.5ke |
| Max Frame Rate | 25fps |
| Mega Pixels | 20.5 mp |
| Peak QE | 74% |
| Pixel Array | 5544 x 3694 |
| Pixel Size | 2.4 microns |
| Read Noise | 2.7e |
| Sensor Diagonal | 16 mm |
| Sensor Type | CMOS |
| Sensor | Sony IMX183 |
| Telescope Interface | M42x0.75 |
| Weight | 1.43 lb |