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

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  1. M

    Needed - easy way to check collimation

    Prisms, I think, in a porro. Not sure in a roof, decentered lens maybe?
  2. M

    Needed - easy way to check collimation

    I think his method only works if the object in the center of the field is a mountain goat.
  3. M

    Needed - easy way to check collimation

    Ideally, you need a point source.
  4. M

    Needed - easy way to check collimation

    It may depend. Horizontal misalignment is much easier to tolerate than vertical.
  5. M

    Needed - easy way to check collimation

    Swarovski can and will fix it.
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