• 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. P

    Prostaff 7s 8x30 questions

    when it comes to ER- too many silly mm lost in a slight recess, or the glasses having to make a large correction or the wearer using a lower index- (thicker) lenses or even not having curvature, all affect ER. I'm getting to the point that realistically, 18-20 will usually work , 15mm might...
  2. P

    Prostaff 7s 8x30 questions

    I have a bushnell legend ultra hd that (I think) has the same diopter adjust setup as a P7- a diopter ring that is "up" for adjust and down to lock the ring in place. I read numerous accounts of persons having the ring break in locking the diopter adjust. I simply don't use the lock down...
Back
Top