Originally Posted by Olyduck
I saw this lens at an auction in great condition. When I looked it up on the web, all the other samples said "Canon Camera Co." whereas this one just said "Canon". Were they labeled in both ways or is this perhaps a fake?
Looking at Peter K's book, Canon made three different trim rings for this lens,
He called them type 1, 2 and 3. All say something a little different. As already mentioned, all are LTM.