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Category Archives: Lenses and Optics

Sony FE Planar T 50mm f/1.4 ZA MTF and Variance Testing

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OK, you probably know I don’t like ultra-long lens names. I don’t like lenses that are expensive (who does?). So when you throw out a 50mm lens with a long name, like the Sony FE Planar T* 50mm f/1.4 ZA, and price it at $1,500 I’m a bit predisposed not to like it. Seriously, that’s […]

Guide to Leica Wide Angle Lenses on Sony a7 Series Bodies

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It’s been known for some time that wide angle M mount lenses have issues on Sony mirrorless cameras because of the way the sensors are designed, but there’s never been a very good list of what lenses work best, much less a visual reference to see how bad things can really be. So I took […]

The Sony FE Lenses MTF and Variance Summary

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We’ve put all of this information out in other articles, but it was as we finished each one so it’s become scattered about. I wanted to simply put up all of our MTF and variance curves for Sony FE lenses in one place so you wouldn’t have to hunt and search for different articles to […]

Sony FE 16-35 f/4 & Sony FE 24-70mm f/4 Zoom MTF and Variance

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Many of you who have followed along as we beta-test our Sony FE lens testing have been asking where the FE 16-35mm f/4 ZA OSS and the FE 24-70mm f/4  ZA OSS test results are. Well, the answer is they are here. But your other question, why has it taken so long, has a more complex answer. Testing […]

A Look at the New Sigma MC-11 Lens Adapter

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We’ve recently received the Sigma MC-11 Sony E to Canon EF mount adapter which promises full autofocus functionality for 15 Sigma Art Lenses on Sony E-mount cameras. What the Sigma MC-11 brings to the table is the ability to use face detection, eye recognition, and the use of continuous phase detection autofocus in video mode. […]