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

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  1. V

    Zeiss Conquest HD 8x32 vs. 8x42 for birding

    Actually, I have mistaken. Chronic exposure to sunlight cause several eye problems such as cataracts development, however, I couldn't find any effect on pupil dilation. I am sorry for the wrong point I made. However, while ago (22:00 hr), I have checked both NL and M7 side by side but couldn't...
  2. V

    Zeiss Conquest HD 8x32 vs. 8x42 for birding

    I also agree with the @chill6x6. I expected to see a huge difference in the low light performance between M7 8x30 and NL 8x42 but I didn't. I didn't do a Pupil Dilation Test by myself however, I did an overall eye test approximately 5 months ago and had no issues with eyesight. I am in my...
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