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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 […]

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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 […]

Geek Articles

Fun with Field of Focus Part 1

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I’ve mentioned in some other posts that our optical tools can do a lot more than just test a lens’ MTF. For most of the last two years, though, testing MTF is what we’ve been doing. We may not seem all that busy, but we’ve assembled what is probably the world’s largest database of current camera lenses; […]

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Geek Articles

Is Your Camera Really The Best Optical Test?

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“But you must not eat from the tree of the knowledge of good and evil, for when you eat from it you will certainly die.” Genesis 2:17. I have enjoyed, for some years now, the process of learning about lenses and optics. This blog shares a lot of what I’m in the process of learning. A lot […]

Some old picture or me carrying lenses, because the editor counts pictures in the articles but doesn't read the captions.

Lenses and Optics

The (sort of) Great 400mm Lens Shootout!

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I get asked a lot about different telephoto lenses. Is the 400 DO II better than the 400 DO? Which is better, the Tamron 150-600mm or the Sigma 150-600mm? You’ve probably noticed that I don’t answer those questions. The reason is simple. Our optical bench is designed to test lenses up to 2.5kg weight and […]

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