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ZEISS DTI thermal imaging cameras. For more discoveries at night, and during the day.

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  1. B

    Next step: I need a scope

    I think I have seen the 42 inch telescope before. It is in my opinion extremely foolhardy to observe the Sun using Mylar foil in front of the scope. There is a photo of this in the link. If a pigeon flew at speed into the foil, instant permanent blindness would result. Aperture fever is a...
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