Nikon Monarch Binoculars: Replacing the Eye Cup
A couple of years ago, I damaged the right eye cup of my beloved Nikon Monarch birding binoculars. Ever since, I have been unable to adjust between naked-eye viewing (eyecup extended) and eyeglass viewing (eyecup retracted.) It was a pain in the butt—I switch between contacts and glasses all the time. Finally I got tired …