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 : Pentax K-Mount HD DA 40mm f/2.8 40-40mm Fixed Lens for Pentax KAF (Limited Black) : Camera Lenses : Electronics
Amazon.com : Pentax K-3 Mark III APS-C-Format DSLR Camera Body, Silver with Pentax HD Pentax DA 20-40mm F2.8-4 ED Limited DC WR Zoom Lens, Silver : Electronics
Amazon.com : Pentax K-Mount HD DA 40mm f/2.8 40-40mm Fixed Lens for Pentax KAF Cameras (Limited Silver) : Camera Lenses : Electronics