Category Testing NASA Optical Lenses - How We Measure Sharpness and Accuracy | Lensrentals Blog

Geek Articles

Testing NASA Optical Lenses – How We Measure Sharpness and Accuracy

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We’ve spent about 5 years developing and repurposing various types of optical testing for use testing photo and video lenses. It’s been a long process with lots of learning (learning is when you find out you’re doing it wrong), and improvements along the way. We’re pretty close to finished; our methods are fully developed. Sure there […]

Geek Articles

Nikon 105mm f/1.4 E MTF Bench Tests

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Joey recently wrote an article about his new crush, the Nikon 105mm f/1.4 E lens, and has been in the lab about every other day since then, asking me if I’ve run the MTFs yet. “You’re going to be blown away,” he says. And every other day I tell him, “I don’t get blown away […]

Geek Articles

Canon 16-35mm f/2.8L Mark III Optical Bench Tests

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I tend to not get overly excited about new releases. The last few years have seen a lot of incremental upgrades that rarely blow me away. Usually, I end up thinking the new version of whatever is better than the last version. Not “rush out to the store and buy it” better, but “consider upgrading if […]

Equipment

The Ultimate 50mm Lens Comparison

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I want to share with you guys a personal lens purchasing journey that I’ve been on for awhile now. My favorite genre of photography is travel photography; I love capturing landscapes, on location portraits, action sports, and general tourist stuff. It’s a very broad topic, and I want my camera gear to be as versatile […]

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