At some point prior to 2008, engineers at Pentax faced a tall challenge: to design a walkaround prime lens worthy of the "Limited" badge, suitable for portraits and landscapes, with true macro capabilities.
Excellent overall sharpness; especially in the center; Handy "normal" field of view; Superb build quality; Little distortion; Very little chromatic aberration; Very pleasing bokeh; especially at close distances; True 1:1 macro; Built-in hood
Noisy AF; prone to hunt at close distances; Flare and ghosting worse than expected; Some vignetting in uncorrected images; Not as sharp as cheaper DA 35mm F2.4 near edges and corners; 1:1 macro requires the lens to be extremely close to the subject; Lack of aperture ring limits compatible close-up...