Excerpt: Wide open, it's really soft, and requires f:8 or higher to obtain clean shots, but f:11 produces cleaner shots, though this means that you need to push the ISO higher than desired which can produce noisy images.
Excerpt: I picked up this lens before I decided on which Pentax K-5iis or K-3 I was going to purchase.Weather Resistant,light weight and a zoom was a few of the main reasons. So far it's decent walk-around lens, I will be picking up either the Pentax 18-135mm or f/2.8 by Sigma or Tamron in a few weeks.The...
Pros: Compact Design, Easy To Use, Improves Picture Quality
Summary: Did not use it much because the camera that I have is to complicated, but the lens seems to be OK I switched it in favor of a super-zoom single fixed lens with auto focus. It is not for regular folks, it's more for dedicated photographers.
Excerpt: I didn't really want this lens, I placed a low bid on an auction and won it. I wanted a WR lens to match with my K5 for shooting in bad weather condition (sandy places, rainy/snowy days) I would have preferred the 18-135 but for the price, this one will do.