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11-02-2014, 09:14 AM   #31
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QuoteOriginally posted by LensBeginner Quote
SR on digital will need a larger image circle.
I think there was debate about this before, about just how much bigger the image circle would have to be. If I remember right, the answers were all over the place, some claiming only one or two millimeters (which means many legacy lenses would work and new designs would not be too difficult), others claiming a much bigger circle. This could be dealt with by making certain lenses in-lens SR (ones with small image circle) and keeping in-camera SR for the others. Pentax already has patents for some in-lens stabilization (and not just for the 645, I think)
That way Pentax would keep the advantage of having SR with legacy lenses, wide angle lenses, and regular primes, something other brands generally don't have. And in-lens stabilization for tele and macro lenses.

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