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

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  1. Owlbarred

    Viewing the moon to gauge stability with/without the Forehead Rest when using 8x42 NL's.

    Thank you sincerely, sir.
  2. Owlbarred

    Viewing the moon to gauge stability with/without the Forehead Rest when using 8x42 NL's.

    Thank you, sir. Try the following (from post #17, term FOV changed to "the view widens"), and then report back on what you observe -- your reply is appreciated for clarity. Thanks again.
  3. Owlbarred

    Viewing the moon to gauge stability with/without the Forehead Rest when using 8x42 NL's.

    Here's a quick easy way to demonstrate this. Put your binoculars on a stable platform with the eyecups fully extended (Position 0). Put a lens cover on one objective lens. While looking through the other (uncovered) objective lens, rotate the eyepiece inward and observe how the FOV increases.
  4. Owlbarred

    Viewing the moon to gauge stability with/without the Forehead Rest when using 8x42 NL's.

    Thanks for the comment. Wish I could help. I've done my best to explain.
  5. Owlbarred

    Viewing the moon to gauge stability with/without the Forehead Rest when using 8x42 NL's.

    You're welcome. Since I don't wear eyeglasses, I appreciated your noting that you get a full FOV while wearing eyeglasses. Perhaps that is a reason for our differing results -- I don't know. For me, on those occasions where I now solely use the Forehead Rest for support with eyecups fully...
  6. Owlbarred

    Viewing the moon to gauge stability with/without the Forehead Rest when using 8x42 NL's.

    Old news for some, perhaps, but viewing the moon proved a surprisingly revealing way for making the simple comparisons below. Conditions: Last evening, an hour after sunset. Moon phase Waxing Gibbous, 84% illumination. Replicated five times for each of the following: 1. with the Forehead...
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