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unsharpness

    0.01 sec.
unsharpness
lack of detail in an x-ray picture.


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An additional LCD-shutter operating at a constant frequency of 5 kHz was used to remove the unsharpness due to motion.
Our first consideration is the degree of unsharpness (circle diameter) we will tolerate at the final print size and viewing distance we anticipate.
Reversing the cutout permits shooting at 1/60th, resulting in a negative that may be underexposed, yet printable-but which doesn't suffer from uncorrectable unsharpness caused by an overlong hand held exposure.
 
 
 
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