QHY163
С
7
5. Adjust the offset. When you block the light thoroughly, you may find that the image is not really "zero"
(entirely black). Sometimes this will lower the quality of image contrast. You can adjust the offset to make
the histogram peak close to zero in order to get a better background. You can open the histogram to
confirm that.
QHY163C is a color camera, so it is very important to set the offset to a low value and make the histogram
peak close to zero. Because the color camera color balance is multiple a ratio to the pixel value in the FPGA.
The bias will be multiple too and it may affect the color balance.
6. If you want to try 16bit image, you can switch the Colour Space to "RAW16".
7. By check the "LX" mode you can expand the exposure setting range and take long exposure shot.
QHY163C camera has the anti-amp light control circuit and it can reduce the amplifier glow significantly.
Note that it's impossible to reduce the glow in the corner thoroughly, and it's normal to see a very small
amount of glow in the corner when you do long exposure.
A typical long exposure image in +25
℃
, 5 sec exposure and 50% gain of QHY163C is shown below.
