Sharpness Cont... 3

Sharpness at 200mm

For these tests, the Olympus Zuiko Digital 50-200mm f/2.8-3.5 ED SWD lens was attached to an Olympus E-5 camera body, which in turn was mounted on a sturdy tripod. Anti-shock mode was activated in order to avoid any vibrations resulting from mirror movement. The 100% crops represent about 1/300th of the total frame area. Slight changes in colour are attributable to changes in natural light during the session.

The full frame at 200mm

Sharpness is pretty uniform from f/3.5 through f/16 (any difference you might see here has more to do with the changing light than actual differences in sharpness). At f/22 setting the lens is perceptibly softer but still produces usable results.

Aperture	Centre Crop	Edge Crop
f/3.5
f/4
f/5.6
f/8
f/11
f/16
f/22

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review, lens, olympus, zoom, telephoto, zuiko, four thirds, Olympus Zuiko Digital ED 50-200mm f2.8-3.5 SWD Review, 50-200mm, 100-400mm