I just got a SA 75 f8. It's an older lens (mid 60s) but considering what I paid for it and judging the results I got so far I am very happy with it.
Since it has a 49mm filter mount and most of my filters are 67mm I was thinking of getting some dedicated filters of that diameter. However someone has told me that with this lens even with a single circular polarizer I might begin to notice vignetting unless I choose a very thin one!
Is that the case?
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