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They said, Sigma are better than Nikkor - 50mm
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<blockquote data-quote="eurotrash" data-source="post: 148048" data-attributes="member: 9237"><p>Lens curvature:</p><p>The physical curvature of the glass as seen by a camera sensor. I guess this happens when very large elements are used? I've never actually experienced this in photography. The out of focus elements will ''breathe'' in and out of the photo due to the curving glass of the lens. Theoretically, anyways..</p><p></p><p>I only bought mine about 7 months ago, so it was a new model as well. The one with the newer coating on the barrel. </p><p></p><p>Pictures are lookin' good! As long as you didn't have trouble attaining focus with it while shooting at wider apertures then I'd say you have a most excellent copy. Just use it a lot in the real world and you'll know if there's an issue with it.</p></blockquote><p></p>
[QUOTE="eurotrash, post: 148048, member: 9237"] Lens curvature: The physical curvature of the glass as seen by a camera sensor. I guess this happens when very large elements are used? I've never actually experienced this in photography. The out of focus elements will ''breathe'' in and out of the photo due to the curving glass of the lens. Theoretically, anyways.. I only bought mine about 7 months ago, so it was a new model as well. The one with the newer coating on the barrel. Pictures are lookin' good! As long as you didn't have trouble attaining focus with it while shooting at wider apertures then I'd say you have a most excellent copy. Just use it a lot in the real world and you'll know if there's an issue with it. [/QUOTE]
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They said, Sigma are better than Nikkor - 50mm
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