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

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    Blackouts and objective lens size - 30/32mm vs. 40/42mm

    Hi - this may be a somewhat elementary question but I wasn't able to find a consistent answer on other sites and other threads. Thanks in advance. Is there a correlation between blackouts or an 'unforgiving' eye box and the size of the objective lens? While this may be different for everyone...
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