| Pentax Lenses for less than $700 that have a f/1.8 or faster aperture | | | | | Aperture | f/1.8 | | | Min focal length | 50 mm | | | | | Length | 38 mm | | | Max focal length | 50 mm | | | | | Diameter | 64 mm | | | Auto focus | Yes | | | | | Weight | 122 g | | | Zoom range | 1x | | | | | | | | | | "The pictures are very sharp. Low light is fantastic. I have not found anything I dislike about it." bhphotovideo.com | Aperture | f/1.4 | | | Min focal length | 50 mm | | | | | Length | 38 mm | | | Max focal length | 50 mm | | | | | Diameter | 64 mm | | | Auto focus | Yes | | | | | Weight | 221 g | | | Zoom range | 1x | | | | | | | | "This lens produces an accurate reproduction. The f/1.4 aperature has opened-up a whole new range of photo oppurtunities." bhphotovideo.com | Aperture | f/1.4 | | | Min focal length | 55 mm | | | | | Length | 66 mm | | | Max focal length | 55 mm | | | | | Diameter | 71 mm | | | Auto focus | Yes | | | | | Weight | 375 g | | | Zoom range | 1x | | | | | | | | | |