Re: Telephoto advice
Not all IS systems are equal. Has anyone seen a review of the IS boost of the 70-200 f/4L IS vs. the f/2.8? Lighter is easier to hold. If the IS is better then you regain some (certainly not all) of the stop difference unless you are into full aperture DOF. I really would like the 300 but it has the oldest IS technology making me wonder if it is the way to go right now. Since digital has been a major player, Canon has upped the IS claims considerably but older lenses are rarely updated. This is just one more point to consider in selecting the next purchase.
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