Amazon.com : Sigma 17-70mm F2.8-4 Contemporary DC Macro OS HSM Lens for Pentax : Camera Lenses : Electronics
Amazon.com : Pentax HD 31mmF1.8 Limited Black Limited Lens Wide-Angle Prime Lens [F1.8 Large Aperture Lens] [High-Performance HD Coating] [SP Coating] [Round-Shaped Diaphragm] [Machined Aluminum Body ] (20210) : Electronics