Pentax DA 10-17mm lens

smc Pentax-DA 10-17mm f/3.5-4.5 ED (IF) Fish-Eye
Maker Pentax
Technical data
Type Zoom
Focus drive Screwdrive
Focal length 10-17mm
Focal length (35mm equiv.) 15-25.5mm
Crop factor 1.5
Aperture (max/min) f/3.5-4.5 / f/22-32
Close focus distance 5.52 in (0.14 m)
Max. magnification 0.39x
Diaphragm blades 6
Construction 10 elements / 8 groups
Features
Manual focus override  Yes
Macro capable  No
Unique features Fisheye zoom
Application Landscape, industrial, artistic
Physical
Weight 11.3 oz (320g)
Filter diameter None
Accessories
Lens hood Integral
Case S80-80
Angle of view
Diagonal 180 degrees

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

This article is issued from Wikipedia - version of the 8/14/2015. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.