The Limits of Variation

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The Limits of Variation

A few people were more than a little amused that I, the ultimate pixel-peeper, wrote an article demonstrating that all lenses and all cameras vary a bit; that you can’t find the ultimately sharpest lens.  Each individual copy of a given lens is a little d

via LensRentals Blog: http://www.lensrentals.com/blog/2011/10/the-limits-of-variation

In other words, we know that computerized analysis using Imatest or a similar program can show us a measureable difference exists between several lenses. But what does that mean? Can we tell when a difference is just the inevitable minor variation and when it’s a meaningful problem? The answer is yes. The vast majority of the time, anyway.

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