| | Pentax Q Lenses made by Pentax for less than $700 that have a f/2.8 or faster aperture | | |  | | | Fixed aperture | | | The same maximum aperture at all focal lengths | | | | Aperture | f/2.8 | | | Length | 56 mm | | | | | | | Fixed aperture | Yes | | | Diameter | 50 mm | | | | | | | Max focal length | 45 mm | | | Weight | 90 g | | | | | | | Min focal length | 15 mm | | | Auto focus | Yes | | | | | | | | | | |  | | | Aperture | f/2.8 | | | Length | 48 mm | | | | | | | Fixed aperture | No | | | Diameter | 49 mm | | | | | | | Max focal length | 15 mm | | | Weight | 96 g | | | | | | | Min focal length | 5 mm | | | Auto focus | Yes | | | | | | | | |
