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Pentax DA* 200mm SMC f/2.8 ED (IF) SDM Lens Review
By: What Digital Camera (3 months ago)
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...
Review of Pentax 200mm f/2.8 ED IF SDM SMC DA*
By: SLR Gear
For telephoto zoom lenses in the current Pentax lineup, only the 300mm /2.8 DA* goes longer. The 200mm /2.8 boasts excellent results for sharpness, chromatic aberration resistance, corner shading and shows absolutely no distortion; in the lab, the lens is a real winner. In the real world however, we had issues with autofocus performance (which, in all fairness, isn't easily blamed on the...