• 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. Alexis Powell

    Expriencing the Papilio II 6.5x21

    One "secret" of the superbly efficient focusing system of the Papilio over its huge range is that it is variable-ratio, so that it maintains smooth yet snappy focus at close range but also can be adjusted with precision at settings near infinity. A superb bin (one of the best of all time in my...
  2. Alexis Powell

    Expriencing the Papilio II 6.5x21

    Getting on a bird after a bug might seem slow in the Papilio, but it is much faster and more precise than it would be without the dual-ratio focus that it employs (relatively fast focus for near objects, slower for distant). --AP
Back
Top