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

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  1. B

    Fuzzy prism

    Hope it works out. Leica will, I suppose, put nitrogen gas back in, but it might be advisable not to use the scope in wet or very humid conditions. I suspect that the technician will lightly clean the prism outer surfaces. Also the scope should be stored in conditions above 13C and less than...
  2. B

    Fuzzy prism

    Stonefaction, Ask Leica what the problem is with the prism. Is it surface damage or deeper? Is the eyepiece damaged? If not, then it has a value and only the body value has to be considered. I think this problem is all moisture related. Regards, B.
  3. B

    Fuzzy prism

    A foggy prism could be moisture affecting the surface. Sometimes it can be cleaned. However, if the glass has actually been affected, say devitrification, it may be deep. Sometimes an expert would repolish the prism, usually a skilled amateur telescope maker. Some firms will not deal with...