| | Pentax K Zoom Lenses for less than $300 that have a focus motor and have a f/4 or faster aperture | | |  | | | Aperture | f/4 | | | Zoom range | 2.8x | | | | | | | Focus motor | Generic motor | | | Length | 41 mm | | | | | | | Fisheye | No | | | Min focal length | 18 mm | | | | | | | Max focal length | 50 mm | | | Weight | 158 g | | | | | | | | | | |  | "I am very pleased with this lens so far. It is built well and shots are very clear. " bhphotovideo.com | | Fisheye | | | Extremely wide circular images | | | | Aperture | f/3.5 | | | Zoom range | 1.7x | | | | | | | Focus motor | Generic motor | | | Length | 71 mm | | | | | | | Fisheye | Yes | | | Min focal length | 10 mm | | | | | | | Max focal length | 17 mm | | | Weight | 320 g | | | | | | | |  | "This lens is workhorses, very nice contrast, fast autofocus, WR is very nice, just like water proof, I took alot pictures during raining, white water rafting, biking." bhphotovideo.com | | Aperture | f/3.5 | | | Zoom range | 3.1x | | | | | | | Focus motor | Generic motor | | | Length | 69 mm | | | | | | | Fisheye | No | | | Min focal length | 18 mm | | | | | | | Max focal length | 55 mm | | | Weight | 230 g | | | | | | | | | | |  | "Great lens, exactly as advertised. Easy to focus. Perfect for the camera body." bhphotovideo.com | | Great telephoto lens | | | 200 mm | | | | Aperture | f/4 | | | Zoom range | 4x | | | | | | | Focus motor | Generic motor | | | Length | 79 mm | | | | | | | Fisheye | No | | | Min focal length | 50 mm | | | | | | | Max focal length | 200 mm | | | Weight | 286 g | | | | | | | | |
