The Pentax K-01 got announced today, but by B&H, not by Pentax. Oops. At first blush, it looks like it could be an alternative to the NEX-7 for photographers wanting a small camera with a big lens selection, but it has two fatal flaws. APS-C sensor? Check. No mirror? Check? 16 MP? Check? Anti-shake with… [Read More]
NEX-7 — What to do about purple corners
The purple corner effect is fixable using Photoshop tweaks or programs like Cornerfix. Effective use of either requires calibration images. In lenses that exhibit moderate to strong purple corners on the NEX-7, apertures wider that about f/5.6 require their own calibration images. That’s a lot of calibration images to keep track of. One for each… [Read More]
NEX-7 — RRS tripod plate
I‘ve been using the Really Right Stuff NEX-7 baseplate for a few days. I can recommend it, with one caveat. The first thing you should ask yourself is, “Do I really want to use this camera on a tripod?” The answer could well be no; one of the great arguments for the camera is its… [Read More]
Noise vs resolution — part 8
In this post, I compare the Sony NEX-7 with the Nikon D3s operated in full-frame mode, with the Sony images resized to the Nikon’s 12 megapixels. I used the Nikkor 35mm f/2 D on the NEX-7, and the Nikkor 50mm f/1.4 G on the D3s, providing approximately the same angle of view. The NEX-7 did… [Read More]
Noise vs resolution — part 7
In this post, I extend the testing done at ISO 3200 to 6400 and 12800. Same deal as in the previous posts, but I’ve dropped the NEX-5. Cameras: Sony NEX-7 and Nikon D3s. The Nikon was set to DX mode, giving it the same sensor size as the 24 megapixel Sony, but with only a… [Read More]
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