Pentax smc DA 18-135mm F3.5-5.6ED AL [IF] DC WR
Announced Sep 20, 2010 •
Lens | Pentax KAF3
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Hi, I currently have a midrange zoom and a long zoom for my K-3. The long zoom performs just fine. The midrange zoom seems to have problems with autofocus, and I hear that this is a common problem when people mount non-Pentax lenses on Pentax cameras. Can anyone recommend some midrange zooms for the K-3 that do *not* have focusing problems and produce good quality images? Some I am considering are below. Only some of these have reviews on DXOMark. 1. Pentax smc DA 18-270mm F3.5-6.3 ED SDM 2....
Hi, I am thinking of changing out my standard zoom. I have the Sigma 24-70mm HSM which is a quality lens but it is so heavy, 790g. It can occasionally have a wobble on its anti-shake performance too. I had it checked out and there is nothing wrong with the lens. I would like to get something a bit lighter and with a wider angle than 24mm. The 16-85mm WR would do this well and looks on paper to be a better lens than the other possible. that is the 18-135mm WR. Both of these are less than...
I am not a technical guy with respect to camera & lens equipment, and have just purchased a K-3 with the 18-135mm WR & 55-300mm WR lenses & a 1.4x TC. I am doing some "desktop experimenting" with these and a Polaroid 500D close-up lens, and find that the listed spec for minimum focusing distance on the 18-135mm is shown at .4m or ~16". I get a min. distance of ~7.5" at 18mm, and ~9.5" at 135mm with the bare lens. What am I missing? Thanks. CraigK