Sharpness Cont... 2

For this test, we also used a macro test target (a common Compact Flash card). As with our regular sharpness test, the lens was attached to an Olympus E-450 digital SLR, which in turn was mounted on a sturdy tripod.

The full frame

Aperture	Centre Crop	Edge Crop
f/2
f/2.8
f/4
f/5.6
f/8
f/11
f/16
f/22