I’ve been asked to compare a7R handheld sharpness to that of the Nikon D800E. Here goes, although this is adding one more imponderable to the mix. In the previous testing, the lens was the same for the images made with both cameras. Not just the same model, the very same lens. Since handheld testing requires… [Read More]
Archives for 2014
Handholding the a7 and a7R, part 2
The cameras: the Sony a7 and a7R. The lens: the Sony/Zeiss (aka Zony) 55mm f/1.8 Sonnar FE. The lighting: a single Fotodiox LED-200WA-56 daylight balanced variable-power flood. ISO set to 400, f-stop set to 5.6, focusing in single shot AF mode with the small focus area setting, drive set to single, the exposure mode set… [Read More]
Handholding the a7 and a7R, part 1
You may have noticed that I haven’t posted much for the last week or so. I’ve spent the time trying to come up with a way to measure the absolute and relative image sharpness of a7 and a7R when not firmly mounted to a tripod. I had been resisting this exercise in the past because… [Read More]
Handholding the a7 and a7R
I’ve been busy the past few days learning how to use Imatest so that I could do some analysis of the sharpness of handheld photographs taken with the Sony a7 and a7R. I’ll write it up in a day or so, but here’s a little teaser:
Handholding
No, not that kind of handholding. The kind when it’s just you and your camera against the world. We don’t need no stinking tripods! Or do we?
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