Amazon.com : Sigma 10-20mm f/4-5.6 EX DC Lens for Minolta and Sony Digital SLR Cameras : Camera Lenses : Electronics
Amazon.com : 25mm F1.8 APS-C Large Aperture Wide Angle Lens Manual Focus Lens for Olympus, for Sony, for Fuji FX, for Nikon, for Canon M, for Pentax Mirrorless Camera(Silver) : Electronics
Amazon.com: Pentax 70513 SMC-XW 7 1.25-Inch Eyepiece for Telescopes and Pentax Spotting Scopes : Sports & Outdoors
Amazon.com : Pentax SMC M 28mm F2.8 Lens : Slr Camera Lenses : Electronics
Amazon.com: PENTAX smc PENTAX XW40-R, 2-Inch Eyepiece for Telescopes High-Performance Eyepiece with an Extra-Wide 70°Apparent Angle of View, 20mm Eye Relief Original Multi-Layer Coating All-Weather Made in Japan : Sports & Outdoors
Amazon.com : Sigma 10-20mm f/4-5.6 EX DC Lens for Pentax SLR Cameras : Camera Lenses : Electronics
Amazon.com : Sigma 10-20mm f/4-5.6 EX DC Lens for Pentax SLR Cameras : Camera Lenses : Electronics
Amazon.com : ULTIMAXX's 72mm 2.2X Telephoto Zoom Lens Attachment for All Lenses with a 72mm Thread; Compatible with Canon, Nikon, Olympus, Pentax, Sony, Sigma, Tamron & More : Electronics
Amazon.com : Pentax 16-45mm f/4.0 SMC PDA ED AL Zoom Lens for Pentax and Samsung Digital SLR Cameras : Camera Lenses : Electronics
Amazon.com : HD PENTAX-DA 20-40mm F2.8-4ED Limited DC WR Black, Standard Zoom Lens, For APS-C Size, High Definition Limited Lens, Machined Aluminum Body, High Definition Drawing, High Performance HD Coating, High Speed
Amazon.com : Sigma 8-16mm f/4.5-5.6 DC HSM FLD AF Ultra Wide Zoom Lens for APS-C sized Pentax Digital DSLR Camera : Digital Slr Camera Lenses : Electronics
Amazon.com: PENTAX smc XW16.5 2-Inch Eyepiece for Astronomical telescopes. Extra-Wide 85°Apparent Angle of View, 20mm Eye Relief, Multi-Layer Coating, All-Weather, Made in Japan : Sports & Outdoors
Amazon.com : Pentax K-Mount DA 18-270mm f3.5-6.3 ED SDM Interchangeable Lens : Camera Lenses : Electronics
Amazon.com : Pentax SMC 15mm f/4.0 DA ED AL Limited Wide Angle Lens for Pentax Digital SLR Cameras : Camera Lenses : Electronics
Amazon.com : HD PENTAX-D FA 24-70mmF2.8ED SDM WR High-performance standard zoom lens 24mm ultra-wide angle Weather-resistant construction Exceptional imaging power ED Glass Aspherical lens Latest lens coating : Electronics
Amazon.com : HD PENTAX-D FA 24-70mmF2.8ED SDM WR High-performance standard zoom lens 24mm ultra-wide angle Weather-resistant construction Exceptional imaging power ED Glass Aspherical lens Latest lens coating : Electronics