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

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  1. tenex

    blackouts at AFOV of greater than 60 degrees- why

    Peter is right, if a blackout problem isn't IPD it's probably too much eye relief for the eyecup depth, a problem I often have these days. Since holding bins out further is very awkward, it's better to get deeper eyecups if possible. (Even a couple of mm can help; I have eyecups from the 8x on...