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3
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I can't see this scratch on my pics in aperture range less than 16 but on range f32 I can notice them. It's on the filter stack. When the front of the filter stack has dust or scratches on it … strike the pixels directly behind dust spots or scratches. When a more narrow aperture is used the effect of the dust or scratch is more concentrated because a much higher percentage of the light is …
answered Jun 26 '18 by Michael C
10
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If the scratches don't affect the optical performance of the lens sufficiently to be perceptible in your photos the best course of action you could take is to do nothing. It takes a LOT of damage … from scratches or fairly sizeable obstructions before they become noticeable! These photos from Roger Cicala's blog entry at lensrentals.com illustrate just how far a lens can be damages or obstructed …
answered Dec 6 '15 by Michael C
0
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How will tiny scratches on rear element affect image quality? Only slightly more than tiny scratches on the front of a lens will - which is to say not at all most of the time. It takes a LOT of … damage from scratches or fairly sizeable obstructions before they become noticeable! These photos from Roger Cicala's two blog entries linked directly above at lensrentals.com illustrate just how far …
answered Feb 14 by Michael C