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Resolution Tests

Canon 24-70mm f/2.8 II Resolution Tests

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Here it is, only 6 months after announcement! The Canon 24-70mm f/2.8L II has finally arrived. I’d love to say something like: “Never have so many forums contained so many threads containing such strong opinions from people who’ve never touched a lens.” But that would be silly. It happens just about every time a new […]

Lenses and Optics

The Effect of a Decentered Lens on Autofocus

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As some of you know, I’ve been testing a large number of Nikon cameras and lenses as part of the Autofocus Reality series. (Nikon full frame results will be up in a day or so.) I noticed an abnormality in one copy of a lens we were testing that some of you might find interesting.

Repair alerts

Tamron 24-70 f/2.8 VC Issue

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First and foremost, this is just a point of information  – something worth knowing about if you own this lens or are considering buying it. The Tamron 24-70 f/2.8 VC is an excellent lens, but as with so many new products, early adopters are always serving the role of beta testers. I wouldn’t be surprised […]

Lenses and Optics

Canon Illumination Correction and Third-Party Lenses

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I while back I put out a notice that the Sigma 150mm and 180mm OS Macros had an issue if you shot JPGs on a Canon 5D Mk III and left peripheral illumination correction on. The camera auto-corrected for vignetting that wasn’t there, leaving an interesting pattern with a dark center and lightened edges and […]

New Items

MM MM Good?

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The first Leica M Monochrome (I think everyone is calling it the Leica M-M; at least everyone around here) showed up today. Lensrentals became a tiny reflection of most online forum discussions regarding the camera, with half the employees saying, “Why would anyone want that?” and the other half drooling. My own opinion has vacilated […]

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