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Hi Gama, and thanks for these remarks.
The lens cap on these scopes (it's a North Group ED127 APO) is solid aluminium and it actually screws down onto the lens cell so the chance of light getting through is pretty minimal and am I right that IR won't go through the Aluminium cap?
I'm n ot sure I have a moisture issue. I'm not getting dew drops on anything (touch wood). But in any case, how do you sugest making the camera air-leak proof?
Finally, I still have that dreadful pattern of interference on light frams as well - see that IC434 shot in the thread.
Peter
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