As the oldest lens in the Pentax lineup-it was introduced in 1997-you'd expect the SMC FA 43mm f/1.9 Limited ($599.95) to deliver optical performance that's behind the times. But that isn't the case at all.
Sharp; Compact; Wide aperture; Excellent build quality; True standard-angle design
Slow, noisy autofocus; Some barrel distortion; Dim corners at wide apertures; Omits weather sealing