Originally posted by mtngal So far I've only adjusted focus on the DA 35 macro to a -2...
The DA*50-135 seems to be right on, though it back focused a bit on the K7...
the 12-24 looked pretty good - it front focused with both the K20 and K7.
I can't figure out the 77 - focus charts looked good but outside it's inconsistent.
Using Tim Jackson's chart version 2.00 with the K-5, I got -6 for the DA 35 Ltd, -1 for the DA 55-300 at 260mm, and like you, found the 12-24 right on the button at 19mm. My Tamron 90 macro was -5.
I was very pleased how quickly all four lenses locked into focus, much faster than the K-7, and no hunting. Just a note: I have the focus set to center spot.
Originally posted by mtngal I hate shooting focus charts, if the chart has lines too near the center, the camera can focus on the wrong spot. If you don't have the chart perfectly straight to the camera you can get strange results.
So true, you do need to be precise unless you enjoy wasting a whole lot of time. Suggestion: set the aperture to the widest the lens will allow, thus making the depth of field as short as possible and making out-of-focus areas stand out.