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1
Oh, I think I knew that but I forgot. Thanks for explaining!
2
Well unless I'm rusty on my binary math 12b resolution means values from 0 to 4095, right? If you shift in 0's on the left then you multiply this, fill with 0's on the right then the numbers don't change.
3
Hello,
          Unlike the CCD sensor. CMOS sensor is just internal ADC. So we can not change the output bit of the ADC.

Best regards,
Qiu Hongyun
4
OK so gain 4 is a 1/50 divider or attenuator for about 370 ADUs for full well. Is noise really a fraction of an ADU in that case? (2.6/50)

Lowest gain is still attenuating like crazy, full well is only 5124 ADU. Of course the 12b ADC truncates that to 4095. Why not add unity gain (1e -> 1 ADU) and keep the 12b ADC? You'd get full 12b dynamic range with shorter exposures.

What is the benefit of requiring multiple electrons per ADU? I'm missing something here. I hope you can explain.

Looks the value you are using the 4096 to calcualte? Our test data is based on the 0-63355. The last four byte is patched by add four zero in LSB.

Best regards,
Qiu Hongyun
5
OK so gain 4 is a 1/50 divider or attenuator for about 370 ADUs for full well. Is noise really a fraction of an ADU in that case? (2.6/50)

Lowest gain is still attenuating like crazy, full well is only 5124 ADU. Of course the 12b ADC truncates that to 4095. Why not add unity gain (1e -> 1 ADU) and keep the 12b ADC? You'd get full 12b dynamic range with shorter exposures.

What is the benefit of requiring multiple electrons per ADU? I'm missing something here. I hope you can explain.
6
Hi,

is it much more expensive to get an ADC that can handle the full well of the sensor? 14 Or 16 bits? Do you use 12 bit ADC for speed reasons? I wonder what the tradeoffs are, thanks for explaining.
8
CCD Camera / Re: QHY11 critical problem: usb device not recognized
« Last post by Hobby Astronomer on May 05, 2015, 06:44:27 PM »
Here is a video on youtube to show the problem.

https://www.youtube.com/watch?v=M0-RBHVRGtM
9
Technology Question and Answer / Re: QHY9 USB Device not Recognized
« Last post by Hobby Astronomer on May 05, 2015, 06:43:43 PM »
Here is a video on youtube to show the problem.

https://www.youtube.com/watch?v=M0-RBHVRGtM
10
CCD Camera / Re: QHYCCD new hot production: miniCAM5S
« Last post by Wagner Trindade on May 05, 2015, 05:29:38 PM »
Hi riklaunim

The yuan price is stated for 5F with LRGB filters.

Where did you find this information? Regarding the LRGB filters, is there any transmission curve?

Regards
Wagner
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