• 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. K

    Canon IS 18x50

    I think too much has been made about the Canon 10x42 IS L vignetting issue. While it certainly has a less than 42mm real aperture, I think the 37mm figure often quoted is rounded downwards or represents a unit somewhat different from mine. When this first came up, I measured my sample with an...
  2. K

    Canon IS 18x50

    Ronald, Yes, you did have 180x magnification looking through the 18x with a 10x bin. It was nice to read your report, and will be nice to read more of impressions as you get more use with the 18x50. About the "useless black sack," I did not find it all that useless when I had the 150x50 with...
Back
Top