Maker Pentax Focus drive Screwdrive Focal length (35mm equiv.) 15-25.5mm | Type Zoom Focal length 10-17mm Crop factor 1.5 | |
The smc Pentax-DA 10-17mm f/3.5-4.5 ED (IF) Fish-Eye lens is a fisheye zoom lens for the Pentax K-mount. It offers an up to 180 degree view, and allows quick shift focus (Pentax's term for giving the photographer the ability to manually focus the lens even when the camera is in autofocus mode without damaging the lens or camera).
Glass technologies used in this lens include ED glass for low dispersion and reducing chromatic aberration, as well as the SP super-protect coating for repelling dust, grease and water. It has a 35mm equivalent focal length of 15mm-26mm.
References
Pentax DA 10-17mm lens Wikipedia(Text) CC BY-SA