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<blockquote data-quote="hark" data-source="post: 372455" data-attributes="member: 13196">You'd be better off using step-up rings rather than step-down rings. If you have a 52mm lens and are using a 58mm filter, you will need a step-up ring. If you have a 58mm lens and want to use a 52mm filter, then you need a step-down ring. The step-down rings are the ones that cause vignetting because they are smaller than the diameter of the lens. If you are using step-up rings, it shouldn't be an issue with the exception of two scenarios:<ol>
<li data-xf-list-type="ol">As Jake mentioned, if you start stacking a bunch of rings together (even if they are step-up rings), you run the risk of vignetting.</li>
<li data-xf-list-type="ol">When you use a wide angle lens, you still might get vignetting with a step up ring IF the ring doesn't have a slim profile AND/OR if the filter doesn't have a low profile (aka slim profile). I always try to buy low/slim profile filters and rings whenever possible in case I will be using them on a wide angle lens. One brand of a slim profile step up ring that I bought earlier this year is Sensei from B&amp;H. The quality is terrific, and I wouldn't hesitate to buy another.</li>
</ol>And be sure to use the lens correction feature in post. I've found it helps with some vignetting.</blockquote>

[QUOTE="hark, post: 372455, member: 13196"] You'd be better off using step-up rings rather than step-down rings. If you have a 52mm lens and are using a 58mm filter, you will need a step-up ring. If you have a 58mm lens and want to use a 52mm filter, then you need a step-down ring. The step-down rings are the ones that cause vignetting because they are smaller than the diameter of the lens. If you are using step-up rings, it shouldn't be an issue with the exception of two scenarios: [LIST=1] [*]As Jake mentioned, if you start stacking a bunch of rings together (even if they are step-up rings), you run the risk of vignetting. [*]When you use a wide angle lens, you still might get vignetting with a step up ring IF the ring doesn't have a slim profile AND/OR if the filter doesn't have a low profile (aka slim profile). I always try to buy low/slim profile filters and rings whenever possible in case I will be using them on a wide angle lens. One brand of a slim profile step up ring that I bought earlier this year is Sensei from B&H. The quality is terrific, and I wouldn't hesitate to buy another. [/LIST] And be sure to use the lens correction feature in post. I've found it helps with some vignetting. [/QUOTE]

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