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03-17-2018, 09:01 AM   #1
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green O on aperture ring on Canon FD 50

Can anybody tell me what means that green O (or #0) on the aperture ring, after f16, on my Canon FD 50mm 1.8 lens?

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Last edited by deakjozef; 03-17-2018 at 09:08 AM.
03-17-2018, 09:16 AM   #2
maw
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QuoteOriginally posted by deakjozef Quote
Can anybody tell me what it means that green O (or #0) on the aperture ring, after f16, on my Canon FD 50 1.8 lens?
It depends on the year of production, but almost certainly means O = (A)utomatic, of course with cameras that support it, I hope it will help you.

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03-17-2018, 09:23 AM   #3
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QuoteOriginally posted by deakjozef Quote
Can anybody tell me what means that green O (or #0) on the aperture ring, after f16, on my Canon FD 50mm 1.8 lens?
THX mav!
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