| http://www.w3.org/ns/prov#value | - You will be needing to use a fast shutter speed anyway, and if you can not hold that still, you will not be helped by the IS. I do think you will find that the body will be a bigger limit on how fast the system focuses than the lens will though.I watched a video on Canon's focusing system a year or so ago and where AI Servo was in use there was a suggestion that IS helps in stopping handshake from losing t
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