Amazon.com : Pentax SMC M 28mm F2.8 Lens : Slr Camera Lenses : Electronics
Amazon.com : Fotasy PK Lens to Cannon EF-M Mount Adapter, PK EFM, PK EOS M Adapter, Compatible with Pentax K, Compatible with Canon EF-M Mirrorless Cameras M M2 M3 M5 M6 Mark
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