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

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  1. Tord

    Need advice for large diameter astroscopes

    You will need an extension tube to bring the camera sensor on the focusing plane. 80 mm length is usually about right. Too long you will loss ability to focus at infinity.
  2. Tord

    Need advice for large diameter astroscopes

    Hi, As Dan writes, and adding some words. I myself have this scope, what I can see same glass/tube however fitted with a cheaper 3" Crayford focuser and the price tag was lower when I purchased it back in 2013...
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