Teardowns and Disassembly

Canon 100-400mm IS L Mk II Teardown: Best Built Lens Ever?

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Canon 100-400mm IS Mk II, Lensrentals.com, 2015   You know Aaron and I love doing teardowns of almost anything. The two types we look forward to most, though, are Sony cameras and Canon lenses, because those tend to be on the cutting edge of engineering elegance. For a couple of weeks now, we’ve been wanting […]

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Addendum to the Nikon 300 f/4E PF ED VR Test

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When I posted our Imatest results from the single copy of the Nikon 300 f/4E PF ED VR that we had received, I pointed out that the copy was slightly decentered and therefore the results were questionable. We got a second copy of the lens in today, and this one was perfectly centered. I had […]

Teardowns and Disassembly

The A7II Teardown: A Look Inside Sony’s New Camera

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A while back we did a teardown of the Sony A7r, and were very impressed with its clean modular design. Now that Sony has released the A7 II we thought a similar teardown would be worthwhile. There are certainly going to be some differences. First among them, of course, is that the new camera has 5-axis, […]

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More Canon 400m DO II Comparisons

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  In an earlier post we were most impressed with how much better the new Canon 400mm f/4 IS DO II resolved compared to the original version. I mentioned that we hadn’t been able to get many copies and didn’t have time to do any other comparisons right then, but that we would do more […]

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