• 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

  1. njlarsen

    Olympus 800mm equivalent - no more detail than Nikon 630mm?

    You are right. Not because I felt the results were better (but similar) and with usually less weight. Good for you that you have found a way for APC to give you good results without carrying a ton. Niels
  2. njlarsen

    Olympus 800mm equivalent - no more detail than Nikon 630mm?

    I read some time ago about zoom lenses giving less than the stated focal length at max zoom with all except some very specific conditions (I want to say at one extreme of the focal range but I am not sure about that). This was not meant as being specific to any specific brand. This might explain...
Back
Top