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09-30-2006, 09:24 AM   #16
Ole
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QuoteOriginally posted by Chilious Quote
When I bought my DA lenses (18-55mm and 50-20mm) which are 52mm threaded, I also bought a set of neutral density filters and a circular polarizer (and of course a UV filter). Then came the other lenses, with different thread sizes (49, 58, 60mm).
So, my question is the following: do you guys buy different filters for each thread size or do you use step-down/up rings? I presume that with a step-up ring there is no problem. How about step-down rings? Do they induce vigneting?
Any thoughts?

Robert
Step down rings could cause vigneting, it depends on the design of the lens. You can easily test for it by shooting some pics at the largest aperure and shortest focal length and look for vigneting. Perhaps the store could lend you a ring. If you use more than one filter at a time you'll have to test with more filters as well.

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