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I have the old QHY8 that I bought second hand here, and I do like its performance. I used a normal kendrick heat strap around the nose piece and the spacer for the coma corrector and haven't had condensation issues. That, I'm guessing is because I haven't opened the nose piece.
But I have now had to open it as the CCD was tilted by almost 2.5mm or so.
I've used Al foil on the TEC plate to adjust the tilt.
what I found very surprising was to see the white plastic spacer bolt pressing directly on the pins of a chip. I had to shim off a mm from the end of the bolt to reduce stress on the chip.
That I find could have been designed better by repositioning the plastic bolt or the chip on the pcb as they should have known where the bolt would have been relative to the pcb.
anyways, I've kept the camera with the nosepiece open in an airtight bag with the dessicant and plan to close the nosepiece in the bag. I just hope the chamber still remains airtight.
Drivers for XP and EZcap were pretty unreliable, it would download the first image, but then timeout on the second one.
but it was a lot more stable with win7, same usb leads, same setup.
They are very good value for money though.
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