Pentax smc DA* 200mm F2.8 ED (IF) SDM
Pentax DA* 200mm SMC f/2.8 ED (IF) SDM Lens Review
By: What Digital Camera (Feb 18, 2013)
Overall this is a lovely lens that looks and feels very good indeed. Its performance is generally solid but the presence of chromatic aberration at the extremes of the image field for tricky subjects is a slight cause for concern. Pentax points out that the angle-of-view offered is equivalent to that of a 300mm lens on a full-frame camera and may be trying to align its 200mm f/2.8 with exotic...