Topic » Canon 16-35mm f/2.8L III

Equipment

Sony FE 16-35mm f/2.8 GM Sharpness Tests

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Well, I’ll say to start with I’ve probably had more requests for the Sony FE 16-35mm f/2.8 GM MTF tests than any lens in recent memory. People are excited about it. About half the requests have been very reasonable “I’m hoping to see MTF results before I decide between this lens and that.” And, as has […]

Sigma 14mm MTF Tests

Equipment

Sharpness Tests of the Sigma 14mm f/1.8 DG HSM Art

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We’ve had a number of fun, new lenses to test this summer and one I was pretty eager to get to was the Sigma 14mm f/1.8 Art, for a couple of reasons. First of all, it’s a 14mm lens that has a wider aperture than f/2.8, and that’s certainly interesting. Second, it’s a new Sigma […]

How to Photograph Fireworks

Equipment

What You Need to Photograph Fireworks This Summer

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Tis the season. Summers are often filled with relaxing, beach fronts, vacations, and of course fireworks. With Independence Day fast approaching, we’re getting calls and emails inquiring about how to photograph those annual fireworks displays properly. The conditions, from a photography standpoint, are always a little bit of a challenge – dark environments, fast moving […]

Geek Articles

Painting Zoom Lenses with a Broad Brush – Roger’s Law of Wide Zoom Relativity

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I’ve been writing peer-reviewed scientific papers for way longer than I’ve been blogging about optics. I value significant numerical information presented with methods that allow reproducibility as much as anybody. But way too many people who can’t define either spurious accuracy or spurious resolution believe (and unfortunately create) nonsense numbers on the internet and repeat them as though they mean something. So […]

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