70-200 mm f/4L or 70-200 mm f/4L IS ?

Started Mar 22, 2010 | Discussions thread
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Dart23 New Member • Posts: 5
Re: 70-200 mm f/4L or 70-200 mm f/4L IS ?

Steve Balcombe wrote:

RustyRus wrote:

I dont see how you say the f/4 focuses faster

As far as I can judge, focusing is identical in the two versions.

Actually, If you watch that 3 part video series on Canon's AF system on BH Photo, the Canon guy says that IS does help the camera to focus faster. Would seem logical as the camera sees a stabilized image...

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