• 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. John A Roberts

    EL Range TA 8X42 - Layman Review

    And interestingly the 2011 Nature catalogue had a different illustration, somewhat more clearly distinguishing between the concepts of distortion and field shape, that does not seem to have been used elsewhere . . . John p.s. Of course all three illustrations fail to unambiguously show the...
  2. John A Roberts

    EL Range TA 8X42 - Layman Review

    Hi Tom (post #24), The image is from one of two brochures for the original EL SV series. One was subtitled nature and the other hunting, with the dragonfly image from the former. In the past I've used the image from the latter, since it lacks the added effect. Seen side-by-side . . .
  3. John A Roberts

    EL Range TA 8X42 - Layman Review

    Hi DW, The TA's flyer states that it has Swarovision technology: 'Uncompromising Edge Definition Field flattener lenses deliver an almost flat, completely distortion-free image - right up to the edges' On the Swarovision styled EL SV and NL, the FOV is notably both: a) flat, in the sense that...
Back
Top