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A must have for astrophotography
Camera works great and the quality is that of what you would expect from QHYCCD. I put this camera in the back of my 50mm finder scope which fits perfectly. A must have for your mount to stay locked on your target for imaging.
After the success of QHY5 guiding camera(2006-2012), QHYCCD released the new generation Guide/Planetary Camera QHY5-II. QHY5-II series camera improved the transfer speed of USB. It can get the USB2.0 transfer limitation up to 39MByte/s and 30FPS at 1280x1024 or 1280x960 on modern computers. It can even get more than 100FPS at 640x480 and 320 or 200FPS at 320x240.With the new hardware/firmware construction, QHY5-II series improved the performance in short exposure. The banding issue on QHY5 in short exposure due to the computer CPU busy will never happen.. QHY5-II use 1.25inch style eyepiece shape design. It is very idea for the low weight guider setup. With the location ring it can get the confocal with the your eyepiece. It is very tight but still powerful. Improved thermal design can transfer the heat of CMOS sensor to the metal case quickly.
The QHY5-II supply WDM drivers. It means you can use it as a ultra high performance webcam for video chart or video livebroad cast. You can show the real-time astronomy scene to your friends with this camera. QHY5-II series can be connected with the coming QHY Standalone InterGuider. The QHY5L-II's high sensitivity and low noise is another highlight in QHY5-II series. With unbelievable 74% QE QHY5L-II's sensitivity is even exceed many CCD camera's. It is said the QHY5L-II's image quality get or beyond the ICX618 based cameras. The readout noise is quite as low as 6 electrons. The sensor's On-chip FPN(Fixed pattern Noise) calibration function solved the major problem of the CMOS technology. Image is clear and uniform even under high gain. With these advantage, QHY5L-II makes outstanding image quality for planetary imaging, guiding, deep sky imaging and all sky camera.