Category The Effect of a Decentered Lens on Autofocus | Lensrentals Blog

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 […]

Equipment

My Search for the Perfect Micro 4/3 Zoom . . .

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has no limits. I mentioned not too long ago that when considering mirrorless cameras, I made my judgements largely based on native lenses. I do enjoy slapping an M-mount lens in front of my mirrorless camera once in a while, don’t get me wrong. But I don’t consider putting a large legacy zoom on an adapter […]

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