Category Reflections on Reflections. Coatings: The Most Important Part of Your Lens. | Lensrentals Blog

Lenses and Optics

Stop it Down. Just a Bit.

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If you read much that I write, you know I love’s me some wide-aperture prime lenses. I like the narrow depth of field that isolates my subject, and the ability to shoot in low light. More than anything else, though, I love a nice sharp lens with superb resolution and excellent contrast. A lot of people […]

Lenses and Optics

Are Zooms Always Sharper at One Extreme or the Other?

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There is a statement often repeated about zoom lenses, which I have assumed to be generally true, or at least historically true. “All zooms are sharper at one end than the other.” I also hear a lot of people saying they bought Zoom A because it’s sharper than Zoom B. Is that sharper everywhere? Just […]

Lenses and Optics

The Limits of Variation

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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 different from the other copies. A single copy will behave […]

Lenses and Optics

Notes on Lens and Camera Variation

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A funny thing happened when I opened Lensrentals and started getting 6 or 10 copies of each lens: I found out they weren’t all the same. Not quite. And each of those copies behaved a bit different on different cameras. I wrote a couple of articles about this: This Lens is Soft and Other Myths […]

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