10-20mm f 35 EX DC HSM Ultra wide-angle zoom lens with a large constant aperture of F35 designed specifically for digital SLR cameras This Ultra wide-angle zoom lens has a maximum aperture of F35 throughout the entire zoom range making it suitable for low-light & indoor photography It’s wide-angle of view from 1024 degrees produces striking images with exaggerated perspective enabling photographers to emphasise the subject ELD (Extraordinary Low Dispersion) glass SLD (Special Low Dispersion) glass & Aspherical lenses provide excellent correction of all types of aberrations The Super Multi-Layer lens coating reduces flare & ghosting & creates high image quality throughout the entire zoom range The HSM (Hyper Sonic Motor) ensures fast & quiet autofocus while allowing full-time manual focus override Ultra wide-angle zoom from 1024 degrees The 10-20mm F35 EX DC HSM lens offers photographers greater freedom of expression by rotating the zoom ring It is a very powerful tool for architectural indoor & landscape photography The angle of view changes depending on which camera model the lens is attached to Exaggerated perspective This ultra wide-angle lens allows photographers to create an exaggerated perspective between the subject & the background to emphasise for example expanses of a landscape Large F35 aperture through the entire zoom range The large constant aperture of F35 provides a bright image in the viewfinder which helps photographers easily check focusing & composition Superior image quality One SLD (Special Low Dispersion) & two ELD (Extraordinary Low Dispersion) glass elements are employed for effective compensation of colour aberration The use of two glass mold & two hybrid aspherical lenses offer excellent correction for distortion & astigmatism & ensure superior image quality The Super Multi-Layer coating reduces flare & ghosting & provides high contrast images throughout the entire zoom range Quiet & fast AF This lens incorporates HSM (Hyper Sonic Motor) which ensures a quiet & high-speed auto focus as well as full-time manual focus override by rotation of the focus ring AF will not function with Pentax ist series & K100D DSLR cameras that do not support HSM Petal-type Hood An inner focusing system eliminates front lens rotation making the lens particularly suitable for using the included petal-type lens hood which blocks out extraneous light Minimum focusing distance of 24cm (94") at all focal lengths This lens has a minimum focusing distance of 24cm (94 inches) throughout the entire zoom range This close focusing distance on such a wide-angle lens emphasises perspective & allows the photographer to capture high quality images not only of the foreground subject but also the surrounding scenery Vignetting will occur if the lens is used with digital cameras with image sensors larger than APS-C size or 35mm SLR cameras Specifications Lens Construction 13 Elements in 10 Groups Angle of View (SD Format) 1024
- 638 degrees Number of Diaphragm Blades 7 Blades Minimum Aperture F22 Minimum Focusing Distance 24cm Maximum Magnification 166 Filter Size 82mm
Dimensions Diameter 873mm X Length 882mm Weight 520g