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

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    Minimum focus distance.

    If you are looking to focus closer, spotting scopes that accept standard 1.25" eyepieces can provide that. Closer minimum focus distance can be achieved by pulling the eyepiece barrel partially out from its fully seated position, by using the eyepiece in a Barlow tube with lenses removed, or by...
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