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04-01-2012, 02:52 PM   #1
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FF & SR with the K-mount ?

Since Pentax SR needs an area about the size of a FF sensor on the current DSLRs and K-01 to do it's job it does not look good for a FF sensor with the K-mount and still have SR. Even without SR it looks like the K-mount is too small to support lenses like the Canon 85mm F1.2 since it's smaller than the EOS mount.



04-01-2012, 02:57 PM   #2
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I'm moving this to the industry forum.

You're right in the fact that we likely won't see anything faster than a 50mm F1.2 or an 85mm F1.4, but if you look at Pentax's legacy lens lineup, you'll notice that they had the bases covered pretty well as far as pro full-frame lenses went. All that they would need to do is re-release some of those lenses and they'd be all set. I don't see in-body SR as being a big issue, even with a FF sensor, but obviously it'll take a little bit of R&D work. Can't wait to see what Pentax ends up coming out with!

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04-01-2012, 05:58 PM   #3
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But remember, that in the film era, Pentax actually had a patent for shake reduction in a full frame film camera. So they obviously thought it was possible back then, so why should it not be possible now?

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04-01-2012, 06:17 PM   #4
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Chances are they can do it. They just need to make some tweeks to the design, since now that the technology has improved so much over the years, they can come out with something pretty good.

04-02-2012, 06:39 AM   #5
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if the space is for a ff sensor is taken up by the sr mechanism in the k-5, why don't they just stick in a bigger sensor and get rid of SR.

it would be a smaller FF than anyone else is making- that combined with the FA ltds would make the smallest, most compact and very high quality setup.
04-02-2012, 06:43 AM   #6
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QuoteOriginally posted by parsons Quote
if the space is for a ff sensor is taken up by the sr mechanism in the k-5, why don't they just stick in a bigger sensor and get rid of SR.

it would be a smaller FF than anyone else is making- that combined with the FA ltds would make the smallest, most compact and very high quality setup.
The problem with leaving SR out is two-fold. First of all, a strong selling point over the years (as compared to Canon/Nikon) has been in-body-stabilization and they lose that if they leave it out. Second, they don't currently have an lenses with SR in them. Obviously they could come up with some, but it adds to the difficulty of moving to full frame.

Sony does put in body stabilization in their full frame cameras and it doesn't seem to add a whole lot of size to their camera bodies as compared to other full frame bodies out there. I would think in a body roughly the size of the K20/K10 (which is a nice size in my opinion), you could have stabilization in the body pretty easily.
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