Quote Originally Posted by flatulent1 View Post
No, I've tried that a few times.

No, I haven't used it yet. But it was my father's, and our family photos from the 1960s were 'acceptably sharp'.

I've started wondering about that myself. If I get really desperate I could always get out the Dremel and grind the cap down...
That's about my impression from mine. IIRC the Cintar lens is a triplet. Until I saw this thread, I'd almost forgotten I have one of these!
Sorry I couldn't help.