• 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.

Search results

thxpress_search_the_forum Search Opus
  1. C

    Screws/screwdriver for Canon EF 100-400 mm f/4.5-5.6 II lensmm

    For the lens referenced in subject line, I lost 2 screws for the silver lens mount (did not realize they were loose) . I ordered replacement screws. I know screws should ideally be tightened with JIS/crosscut screwdriver (rather than standard Phillips screwdriver) but I need to know what size...
Top