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10-28-2017, 11:26 AM   #1
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Join Date: Apr 2010
Location: usa
Posts: 18
KP with Sigma 50-500mm anyone?

I wonder if anyone has used a "Bigma" on a KP. I currently have a K-5 and the DG screw-drive version of the Bigma. I'm toying with buying the HSM OS version which presumably would give me better autofocus performance on the K-5, and also on the KP if I buy one. I've read that the handling of the Pentax 150-450mm is poor hand-held on the KP and besides that, it's expensive comparatively.

12-11-2017, 01:57 AM   #2
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Join Date: Feb 2016
Location: Miskolc
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Posts: 127
I used the OS HSM on my K-3, it is a wonderful lens with lightning fast and accurate AF. The faster AF algorithm in the KP can only benefit the lens more.
Also the OS is excellent, just turn off the in-body SR.

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