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

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  1. KaterinBortle9

    Nikon Monarch Fieldscope vs Celestron Regal M2 80ED vs Vortex Diamondback - tough choice

    The ER is for the nikon monarch's 20-60 zoom eyepiece (MEP 20-60). It's rubber eyecup does not protrude out slightly in the down position which will make the metal around the lenses scratch your glasses while pressing against it to reduce a lot of the wasted AFOV at high magnifications. Can be...
  2. KaterinBortle9

    Nikon Monarch Fieldscope vs Celestron Regal M2 80ED vs Vortex Diamondback - tough choice

    The eye relief of the 20-60x zoom eyepiece contracts significantly as you increase the magnification. It probably will be a deal breaker with the 20-60x eyepiece if you wear spectacles. If you don't wear spectacles, the monarch is a solid choice. Henry Link's eye relief measurements are: 20x -...
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