• 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. L

    Afocal: Can it be forced any sharper?

    I have a Vortex "Viper" 65 HD, coupling a DSLR to the e.p. I'm struggling a bit with consistent results, but have had some very nice luck using 2 different DSLR macro lenses (legacy Vivitars from gosh knows the 1980's?). The f/2.8 performs best, it's a 35-80 zoom. My working theory of the moment...
  2. L

    Creative optics .. 3rd party eye pieces, eye relief, etc.

    I just picked up a Vortex Viper 65mm spotter... Quickly: The 18mm eye relief with the kit ep seemed marginal to me, but it *does* work with the 50mm "normal" lens on our DSLR. But it might not work with my daughter's Powershot G11. So I find out, Vortex doesn't sell significantly better ep's...
Back
Top