BirdForum is the net's largest birding community dedicated to wild birds and birding, and is absolutely FREE!

Register for an account to take part in lively discussions in the forum, post your pictures in the gallery and more.

Reply to thread

Message: <blockquote data-quote="Renze de Vries" data-source="post: 3516968" data-attributes="member: 10024">Eye cups are a too often overlooked part of binocular design. It's important because the view and use of the binocular will be uncomfortable and compromised if the cups are nor optimized to your face. I have customized almost all my binoculars with very simple and cheap means (see pics for some examples) and doing this I learned two things:1. there are binoculars on the market that are just awful, even unusable. Some of these are from companies of long and high standard.2. adjusting width (diameter) is just as important as height (diameter).Some advice here:1. Click stops on eye cups are just a fad, all that's needed is friction.2. Companies should offer eye cups of variable height and width on all models3. Try to get as close to the eye lens as is comfortable4. A somewhat loose fit, as opposed to eye cups that sit tight in the eye sockets, is good for the view. You have to be able to not only move your eyes through the viewing circle, but also to slightly move the binoculars in the sockets or on the elbrow.Renze</blockquote>