• Welcome to BirdForum, the internet's largest birding community with thousands of members from all over the world. The forums are dedicated to wild birds, birding, binoculars and equipment and all that goes with it.

    Please register for an account to take part in the discussions in the forum, post your pictures in the gallery and more.
ZEISS DTI thermal imaging cameras. For more discoveries at night, and during the day.

Search results

thxpress_search_the_forum Search Opus
  1. H

    New ATC/ STC 17-40x56 Telescope

    It's this digiscoping adapter: https://magviewgear.com/product/spotting-scope-adapter/
  2. H

    New ATC/ STC 17-40x56 Telescope

    I've been trying to work out the focal ratio by assuming that the eyepiece is exactly the same one used in the ATX/STX scopes (which might not be so) and that the 65mm and 85 mm ATX/STX scopes have 460mm focal lengths, which was stated in some old posts I can't find now. That works out to a...
Back
Top