| Pentax K Landscape lenses that are 10mm or wider and have a f/2.8 or faster aperture | | | | | Min focal length | 10 mm | | | Diameter | 86 mm | | | | | Aperture | f/2.8 | | | Auto focus | No | | | | | Length | 78 mm | | | Zoom range | 1x | | | | | Weight | 0.6 kg | | | Fisheye | No | | | | | | | | | | | Min focal length | 10 mm | | | Diameter | 86 mm | | | | | Aperture | f/2.8 | | | Auto focus | No | | | | | Length | 105 mm | | | Zoom range | 1x | | | | | Weight | 0.6 kg | | | Fisheye | No | | | | | | | |