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QHY – Cooled Medium Size CMOS Cameras
The QHYCCD medium size COLDMOS camera series includes all of the cooled cameras with CMOS sensor sizes from less than 1 inch to Full Frame 35mm Format (QHY128C und QHY367C and QHY410C)and includes BSI (back-illuminated) as well as FSI (front-illuminated) CMOS sensors in both monochrome and color cameras.
- USB 3.0
- Front-illuminated and Back-illuminated Sensors
- Lightweight Compact Design
- Regulated TE Cooling Delta -35C to -40C
- 128 MB DDR Frame Buffer
- ST-4 Compatible Guide Port
- Filter Wheel Port
- Anti-Noise Technology
- Anti-Amp Glow Technology
- Anti-Dew Technology
All models include a heated optical window to prevent external dew, a desiccant plug socket to help maintain a frost-free CMOS chamber, a 128MB frame buffer, a filter wheel port, and 2-stage TE cooling to reduce the sensor temperature to -35C or -40C below ambient along with temperature regulation to maintain a constant temperature set point. Due to the efficient TE cooling, single exposures many minutes in duration are possible, making them ideally suited for deep space imaging of dim objects as well as brighter objects and planets.
The QHY camera has a built-in 128MB DDRII image buffer. The benefit of the image buffer is that the memory will cache the image and transfer it to the computer when the USB interface is not busy or being interrupted, and the frame will not be lost or corrupted. This buffer also allows a slower computer with USB 2.0 socket to capture every frame without loss even if the USB socket is occasionally busy with other peripherals. This buffer also helps multiple camera applications and avoids USB transfer problems. For example, it is possible to operate four QHY163M cameras on the same computer to create an LRGB imaging array.
The QHY163M uses a relatively large Front-Side-Illuminated monochrome Panasonic sensor in the format 17.7mm x 13.4mm (diagonal 21.9mm), 16 Megapixel CMOS sensor. The QHY163M/C has exceptionally low readout noise (as low as 1 electron!), low dark current and two-stage cooling capable of reducing the sensor temperature to -40C below ambient. The sensor chamber is sealed and the optical window is heated to prevent dew. The camera's interface is USB 3.0 and delivers 23FPS@16 megapixel full resolution output, 30FPS@4K HD video output. The low read noise capability of the QHY163M and mono sensor is ideal for use with narrowband filters.
If you have any further questions, please send us an email to kontakt (at) baader-planetarium.de.
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