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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 […]

Equipment

A Look Into the New Sony FS7 Mark II

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We inspect a lot of video cameras, and design flaws tend to catch our eye quickly and consistently slow the inspection process. To the casual user, removing a hard-to-reach memory card once or twice is a mild inconvenience — one that they might not even give a conscious thought. To a full-time videographer (or LensRentals.com […]

Equipment

Opening up the New Canon 70-300mm f/4-5.6 IS II

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As with most new lenses, a Canon 70-300mm f/4-5.6 IS II made it’s way back to the repair department for an initial tear-down. I know there’s some randomness as to what we tear down, but we have some reasons for doing these. Sometimes, like with this new Canon, it’s simply because we know Lensrentals is […]

Geek Articles

Third Party Ultra-Wide Lenses MTF Comparison

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Contrary to what most people believe, we do pay some attention when people ask us to do MTF testing on certain lenses. I’m not saying we do it, but we do pay attention to the requests and when we have some downtime will look at that request lists and see if there’s something on it […]

Geek Articles

Real World Testing of the New Canon 16-35mm f/2.8L III

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Last month Roger did his standard series of optical bench tests on the new Canon 16-35mm f/2.8L III. But that doesn’t show you what it looks like in real pictures. I decided to take the new lens and a large selection of comparable lenses from Canon, as well as offerings from Nikon, Sony, and Tokina, […]

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