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

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  1. 4

    Chromatic Aberration, CA, what, why, how?

    Why ? :-) IIRC you started this journey on another thread asking whether today's scopes were better than yesterdays. Again IIRC, you have an Optolyth (?) scope with a 30X fixed mag eyepiece. Were you able to do a side-by side comparison ? I would be interested to hear what was so much better...
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