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

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  1. elkcub

    Audubon 820 or 820 ED? any opinions?

    Mary, Nice to hear your "... long time ago memory." Are you still undecided about replacing your damaged 820ED? Elk
  2. elkcub

    Audubon 820 or 820 ED? any opinions?

    My greatest experience is with the previous 804 model Audubons, both the standard and the ED. There is no question in my mind that the ED design produced more subtle and beautiful color contrast at the center, and reduced color fringing to the edges of its wide field. The roof 828 HHS Audubon...
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