Pentax smc DA 17-70mm F4.0 AL (IF) SDM

Announced Jun 3, 2008 •
Zoom lens | Pentax KAF3
senn_b
 
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This must be the most versatile DA lens from Pentax. You can use it almost in every context, .. landscape, portrait, arcitecture, .. even macro (closest focus 28cm, magnification rating 0,31x). Very sharp from f5.6, and razor sharp from f8 through f11, that's whatever focal lenght. Best tested result with f10/33cm. SDM technology makes focusin process fast and silent. Manual focus ring is full time operational (that’s even when AF is on). That’s more than a walk around lens. Problems: no WR, ...

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This is the first Pentax SDM lens I have ever owned I have to check all the time to make sure it's working as you can barely hear it. Great results so far Problems: Noticeable curved horizons when I take photos at 17mm Also a bit soft at F4, but once you get to F5.6 and smaller, you can't really tell

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