| | Pentax K Lenses made by Tamron for less than $500 that are 18mm or wider | | | ![Tamron 17-50mm f/2.8 XR Di-II LD [IF] Pentax K](/img/lens/tamron-17-50mm-f2.8-xr-di-ii-ld-if-pentax-k/tamron-17-50mm-f2.8-xr-di-ii-ld-if-pentax-k_front_small.jpg "Tamron 17-50mm f/2.8 XR Di-II LD [IF] Pentax K") | "It's razor sharp, even wide open. If that's all that matters to you in a lens, stop, do not pass Go! and buy this lens. Bokeh is pleasing for its price range as well." bhphotovideo.com | | Min focal length | 17 mm | | | Auto focus | Yes | | | | | | | Weight | 430 g | | | Zoom range | 2.9x | | | | | | | Length | 81 mm | | | Fixed aperture | Yes | | | | | | | Diameter | 74 mm | | | Fisheye | No | | | | | | | | | | | |
