Quote Originally Posted by melmoth
Hallo there,

I have been looking on the web but seem unable to find a cap/eyepiece cover to protect the viewfinder of a Nikon FM3A from scratches and dust etc.

Do they exist? Any good online stores that sell these?

Are there effective homemade alternatives?

Most grateful for any advice,

Have you thought about asking the question on the Nikonians website? There is a thread there devoted to manual Nikons and a couple of knowledgeable contributors who are in the British Isles.