smc PENTAX-DA ☆ 50-135mmF2.8ED (IF) SDM Telephoto Zoom Lens Star lens pursuing uncompromising high performance, descriptive power that emphasizes beautiful gradation and stereoscopic effect, quiet and smooth AF with ultrasonic motor, Reliable
SMC Pentax-DA 50mm F1.8 Reviews - DA Prime Lenses - Pentax Lens Reviews & Lens Database