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

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  1. W

    Needed - easy way to check collimation

    As far as you can get I think. You need a small bright object with relatively dark surroundings, like trees. I used an outdoor light on the house about 30 yards away. It helps to move your eyes back about 3" from the EP. Then you will see the double image more clearly. You could make use of sun...
  2. W

    Needed - easy way to check collimation

    You would be advised to have a full eye test before making collimation adjustments. You may have mild misalignment of the eyes themselves which will produce double images in the bins but possibly not while terrestial viewing. If Swarovski say there's nothing amiss with it then you will have to...
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