Sigma 17-70mm f/2.8-4.5 DC IF Macro Lens for Pentax and Samsung Digital SLR Cameras
June 21, 2008 — women Sigma 17-70mm f/2.8-4.5 DC IF Macro Lens for Pentax and Samsung Digital SLR Cameras Good quality Versatile Lens
I purchased this lens for my Pentax K10D, and it works quite well. The zoom range is just right for most applications and the semi macro performance is handy. Performance wise it is very sharp, low CA, low vignetting and low distortions. At 17mm the performance sags a little with some distortion and when wide open some vignetting. In most cases I haven’t had a problem. At 17mm, however, the distortion gets pronounced at distances less than 3 feet (1 meter), so take a few steps back if possible. Aluminum construction is nice.
Overall highly recommended!
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