• 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. B

    Got a list of FOV by model? & Actual minimum IPD? & close focus distance?

    The Leitz Trinovid 10x40 had different versions with different field sizes. B.
  2. B

    Got a list of FOV by model? & Actual minimum IPD? & close focus distance?

    The problem with manufacturers specifications is that they are often not true. Forget the scams like 60x60 binoculars that are 8x21. Bushnell in particular overstate magnifications on some models. The 4x21 is 3.5x21 or 3.4x21 according to another contributor here. 5x25 is about 4.4x. They do...
  3. B

    Got a list of FOV by model? & Actual minimum IPD? & close focus distance?

    HR/5 8.5x44 8.26 degrees measured. The 445ft version from memory is 8.35 degrees measured by star separations. I suppose the list is meant for Swift binoculars but, Minolta Standard MK 7x35 11.05 degrees measured. 8x40 version 9.4 degrees measured. 10x50 version 7.65 easy field, up to quoted...
Back
Top