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Posts Tagged ‘ud’

good not great. This lens is the perfect walkabout lens covering 23-135 with the 1.6 factor.

Distortion is at a minimum, and although not a fast lens, the IS makes even hand held shots sharp.

The downside of this lens is that both in sunlight, and in studio flash conditions chromatic aberration (purple/green fringe) is evident in all shots. Granted Canon EF-S 15-85mm f/3.5-5.6 IS USM UD is less pronounced than with the cheap kit lens (for the 7D) but none the less at 1:1 resolution there is chromatic aberration in every shot where dark and bright come together in high contrast.

The Canon software that comes with DSLRs does a very good job of removing the fringe from photos, however that means unlike Nikon’s in-camera processing of the image to remove fringe, an extra manual step of doing that on the Canon is necessary for any images that are more than casual snapshots.

If you want 1 lens for a very wide to slight tele range, this is probably the best thing available for 1.6 crop factor. However even if the price is near L lenses, this is not an L lens and it will be apparent when zooming in 1:1.

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