Amazon.com : AstrHori 50mm F2.0 Large Aperture Full Frame Manual Prime Lens with Blur Effect & Filter Slot Compatible with Canon EF-M-Mount Mirrorless Camera M,M2,M3,M5,M6,M10,M100,M50,M50II(Black) : Electronics
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 SMCP-FA 28mm f/2.8 AL Lens : Camera Lenses : Electronics
Amazon.com : PENTAX Super Multi-Coated SMC Takumar 6x7 90mm F2.8 F/2.8 M42 Screw Mount MF Lens #55879 : Electronics