on 31.07.02 20:04, Timo Hartikainen at [EMAIL PROTECTED] wrote: > My trusty A-50/1.7's aperture ring is so sticky it will not go over > f8/f11...have anybody seen this before? and what to do or is it time to let > a professional fix it? > Between f1.7 - f8/f11 it seems to be OK. > Probably lubricants got into blades of diaphragm. I have had similar situation with my F 50/1.7. You'd better let a professional service clean it unless you can unscrew then put together the lens back.
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