Amazon.com: Tokina AF 16-28mm f/2.8 at-X PRO FX Lens for Canon : Arts, Crafts & Sewing
Amazon.com : Pentax SMC M 28mm F2.8 Lens : Slr Camera Lenses : Electronics
Amazon.com : Pentax SMCP-FA 28mm f/2.8 AL Lens : 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
Amazon.com : Meike 28mm F2.8 Large Aperture Manual Focus Lens for Canon EOS EF-M M1 M2 M3 Mirrorless Camera : Electronics
Amazon.com : Pentax SMCP-FA 28mm f/2.8 AL Lens : Camera Lenses : Electronics
Amazon.com : Pentax 70mm f/2.4 DA Limited Lens for Pentax and Samsung Digital SLR Cameras : Camera Lenses : Electronics
Amazon.com : Sigma 17-50mm f/2.8 Ex Dc Hsm Lens for Pentax DSLR Camera : Camera Lenses : Electronics