• 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

  1. PeterPS

    blackouts at AFOV of greater than 60 degrees- why

    First he should carefully adjust the distance between eyecups (especially if he has a narrow/wide IPD). Then if he still has blackout issues with the eyecups fully extended, he should let the binos "float" in front of his eyes, at least he should avoid sqeeezing them in his eye sockets (he...