Topic » Canon 16-35mm f/2.8L III

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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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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 […]

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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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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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