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Sigma 24-70mm Art Series Review

Lenses and Optics

Sigma 24-70mm f/2.8 DG OS HSM Art Sharpness Tests

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Sigma has been on an incredible run these last 5 years, releasing one amazingly sharp lens after another. They’ve made lenses no one has ever tried before and not only succeeded, they made them amazingly good on the first try. Their quality control has become as good as anyone’s, better than most. And their repair […]

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Sony FE 12-24mm f/4 G MTF Tests

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I usually don’t do any prerelease testing. Mostly that’s because manufacturers will send one prerelease copy to a reviewer. If you tell them you won’t test less than ten copies they look at you like, well, I don’t know what they look at you like because I only communicate by email. But they say nope; you […]

Geek Articles

MTF Lens Tests of the New Tamron 70-200 f/2.8 SP Di VC USD G2

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There’s been a bit of rumbling lately about the new Tamron 70-200mm f/2.8 G2 zoom. Not just because it is a frontrunner in the 2017 Most Initials in the Name Award, but because a lot of people are saying it’s really quite good. The previous Tamron 70-200mm f/2.8 was a good lens, but since they only […]

Geek Articles

MTF Tests for the Sigma BBL: The Big, Beautiful, 85mm Art Lens

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Yes, I know the Sigma 85mm f/1.4 DG HSM Art lens just too big for you; reading the online forums, you’d think it was about the same size and weight and a 600mm f/4 lens. It’s not, of course, although it is a hefty lens at nearly 40 ounces. But that’s just a few ounces more […]

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