Exceptional build quality ; Impressive image quality ; Very fast autofocus performance ; Pleasing subjective character ; Dust-proof and weather resistant

Big, heavy ; Expensive for a 50mm

Other than the weight (and the cost), we really found no faults with the Pentax-D FA* 50mm F1.4. It combines robust weather sealing and construction with impressive image quality. In fact, it may be the best 50mm lens we have ever used. Add to this the...