Pentax HD PENTAX-D FA 28-105mm F3.5-5.6 ED DC WR

Strong center sharpness. Compact. Weather-sealed design. Inexpensive. Full-frame coverage.

Some distortion. Weak edge performance. Dim corners.

Conclusions The Pentax HD D FA 28-105mm F3.5-5.6ED DC WR is a pretty standard example of a starter zoom lens. It delivers strong sharpness throughout most of the frame, but sacrifices edge performance and distortion control in order to achieve a 3.75x...

High and very even sharpness ; Smooth bokeh ; Fast silent AF ; Weather resistance ; Well controlled CA ; Excellent flare resistance

Limited aperture range ; Lower edge performance at 105mm

This is the lowest cost standard zoom for the new Pentax K-1, but it seems that there have been no compromises on performance. There is a more limited aperture range than some of the alternatives, but this also gives us a more compact and lighter...