this is a auto vivitar wide angle lens 20mm 1:3.8 with a filter size of 82 to fit older minoltas x700 etc. I'm looking for information as to the use of a little knob just pelow the apture ring? thanks

Asked by kevin on 09/20/2008 0  Answer

ManualsOnline posted an answer 16 years ago

The ManualsOnline team has found the manual for this product! We hope it helps solve your problem. Get the Manual Here

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