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Lenses and Optics

Nikon 70-200mm f/2.8E FL ED AF-S VR MTF Tests

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Well, we all want to call it the 70-200 VR III, since it replaces the Nikon 70-200 f/2.8G AF-S VR II.  But the new lens is officially the 70-200mm f/2.8E FL ED AF-S VR. It is most definitely a different lens; it’s 22 elements include one fluorite, one high-refractive, and six ED elements, along with new […]

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Geek Articles

Nikon 105mm f/1.4 E MTF Bench Tests

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Joey recently wrote an article about his new crush, the Nikon 105mm f/1.4 E lens, and has been in the lab about every other day since then, asking me if I’ve run the MTFs yet. “You’re going to be blown away,” he says. And every other day I tell him, “I don’t get blown away […]

Geek Articles

Fun with Field of Focus Part 1

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I’ve mentioned in some other posts that our optical tools can do a lot more than just test a lens’ MTF. For most of the last two years, though, testing MTF is what we’ve been doing. We may not seem all that busy, but we’ve assembled what is probably the world’s largest database of current camera lenses; […]

Some old picture or me carrying lenses, because the editor counts pictures in the articles but doesn't read the captions.

Lenses and Optics

The (sort of) Great 400mm Lens Shootout!

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I get asked a lot about different telephoto lenses. Is the 400 DO II better than the 400 DO? Which is better, the Tamron 150-600mm or the Sigma 150-600mm? You’ve probably noticed that I don’t answer those questions. The reason is simple. Our optical bench is designed to test lenses up to 2.5kg weight and […]

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