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when toggle format what by license comment
Oct 30, 2010 at 0:31 comment added che 17-40 f/4L is a bit slower and "shorter" than 17-55 f/2.8, but it might make sense if you plan on going full-frame some time in the future.
Oct 30, 2010 at 0:08 history answered chills42 CC BY-SA 2.5