![Amazon.com : 500mm f/8 Manual Telephoto Lens for Pentax K-1, K-S2, K-S1, K-500, K-70, K-50, K-30, K5 IIs, K-7, K-5, K-3 II, K-2, K-X, K20D, K100D, K110D and K10D Digital SLR Cameras- Amazon.com : 500mm f/8 Manual Telephoto Lens for Pentax K-1, K-S2, K-S1, K-500, K-70, K-50, K-30, K5 IIs, K-7, K-5, K-3 II, K-2, K-X, K20D, K100D, K110D and K10D Digital SLR Cameras-](https://images-na.ssl-images-amazon.com/images/I/61DiTWJHVpL._AC_UL210_SR210,210_.jpg)
Amazon.com : 500mm f/8 Manual Telephoto Lens for Pentax K-1, K-S2, K-S1, K-500, K-70, K-50, K-30, K5 IIs, K-7, K-5, K-3 II, K-2, K-X, K20D, K100D, K110D and K10D Digital SLR Cameras-
![Amazon.com : 650-1300mm Telephoto Zoom Lens f/8 Manual Telephoto Lens for Pentax K-S1, K-500, K-50, K-30, K5 IIs, K-7, K-5, K-3, K-2, K-X, K20D, K100D, K110D and K10D Digital SLR Cameras - Amazon.com : 650-1300mm Telephoto Zoom Lens f/8 Manual Telephoto Lens for Pentax K-S1, K-500, K-50, K-30, K5 IIs, K-7, K-5, K-3, K-2, K-X, K20D, K100D, K110D and K10D Digital SLR Cameras -](https://m.media-amazon.com/images/I/51oFmOYW4wL._AC_UF894,1000_QL80_.jpg)
Amazon.com : 650-1300mm Telephoto Zoom Lens f/8 Manual Telephoto Lens for Pentax K-S1, K-500, K-50, K-30, K5 IIs, K-7, K-5, K-3, K-2, K-X, K20D, K100D, K110D and K10D Digital SLR Cameras -
![Amazon.com : 650-1300mm Telephoto Zoom Lens f/8 Manual Telephoto Lens for Pentax K-S1, K-500, K-50, K-30, K5 IIs, K-7, K-5, K-3, K-2, K-X, K20D, K100D, K110D and K10D Digital SLR Cameras - Amazon.com : 650-1300mm Telephoto Zoom Lens f/8 Manual Telephoto Lens for Pentax K-S1, K-500, K-50, K-30, K5 IIs, K-7, K-5, K-3, K-2, K-X, K20D, K100D, K110D and K10D Digital SLR Cameras -](https://m.media-amazon.com/images/I/51WaoDDWDJL._AC_UF894,1000_QL80_.jpg)