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

    You are most welcome to register for an account, which allows you to take part in lively discussions in the forum, post your pictures in the gallery and more.

Opticron sdl3 eyepiece (1 Viewer)

Jonathan Avery

Active member
Has anyone had a chance to use this new eyepiece? Is it significantly better than the sdl2? What difference does it make to the image through the MM4 60 ED and 77ED?

Users who are viewing this thread