Category » Technical Discussions

Lenses and Optics

Some Mirrorless 5X Macro Fun. (Too much fun, actually).

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I generally don’t write separate reviews on items. I put a ‘take’ up on most items we rent, letting people know what I think about it. That lets me be neutral because it doesn’t make me any difference what people rent as long as they’re happy with it: the return on a $10,000 lens and […]

Equipment

Wide-Angle Micro 4/3 Imatest Results

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Note: The results for standard range m4/3 lenses and zooms at 25mm are in the next article. A lot of Sony users liked seeing some Imatest results for NEX lenses, and some micro 4/3 users asked us to do the same thing. That’s a more complicated undertaking for several reasons. First, there is a much […]

Teardowns and Disassembly

The Fix is In

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We got our first “new” Canon 5D Mk III cameras today, the ones with the light leak fixed. You know me, I thought perhaps it would be a good idea to take one apart and see what was different. I had photos from the ‘prefixed’ 5D IIIs from a previous post, so comparison would be […]

Resolution Tests

NEX-7 Lens Imatest Results

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For the last 3 years now, I’ve been running my mouth, basically saying something like ‘I think the NEX series is a camera that could give great resolution if there were any decent lenses for it’. ¬†When the NEX-7 came out there was now an even better resolving sensor, and for the first time at […]

Resolution Tests

Quick Tamron 24-70 MTF Data

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We got a couple of Tamron 24-70 f/2.8 VC in Canon mount today and I was able to compare them, very briefly, with the Canon 24-70 f/2.8 L. The Tamron is not quite the range of the Canon on the long end, clearly a few mm shorter than Canon (which is clearly a couple of […]

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