This lens is Pentax's offering in the popular group of circa 100mm Macro Lenses. For those interested in close up work all the SLR camera manufacturers as well as the independent lens manufacturers offer a lens in this area due to the handy working distance from the subject.
Good build and finish; Performance peaks in the right place; Lightweight in keeping with system
Disappointing performance wide open; Lack of focus limiter; which is needed; Extending front element negates effectiveness of the hood