| | Pentax Prime Landscape lenses that have a focus motor and have a f/4 or faster aperture | | |  | | | Aperture | f/4 | | | Weight | 190 g | | | | | | | Focus motor | Generic motor | | | Min focal length | 15 mm | | | | | | | Diameter | 64 mm | | | Max focal length | 15 mm | | | | | | | Length | 41 mm | | | Auto focus | Yes | | | | | | | | | | |  | "A really wonderful wide angle lens that I use for landscape photography. A fast lens with great field of view and little discernable distortion" bhphotovideo.com | | Aperture | f/2.8 | | | Weight | 420 g | | | | | | | Focus motor | Generic motor | | | Min focal length | 14 mm | | | | | | | Diameter | 84 mm | | | Max focal length | 14 mm | | | | | | | Length | 69 mm | | | Auto focus | Yes | | | | | | | | |
