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You are here: Home / The Last Word / Comparing Sony a7 and a7R sharpness, part 3

Comparing Sony a7 and a7R sharpness, part 3

February 28, 2014 JimK Leave a Comment

In an attempt to ameliorate the a7R portrait-orientation vibration blur in the preceding post, I made two modifications to my setup. I cinched the lens to the support with a cable tie (shown before the ends were cut):

And I put a two-pound weight on the bottom of the camera:

The result was an improvement in the horizontal blur at 1/80 second:

but an increase in the horizontal blur at lower shutter speeds. In fact, the worst shutter speed became 1/30 second: