Sigma 20mm f1.8 EX DG Aspherical RF is one of several EX Series lenses. It is the first 20mm Super wide-angle lens in the world with a large aperture of F1.8 and angle of view 94.5°. It has Macro focusing capability with a minimum focusing distance of 20cm/7.9inches (reproduction ratio 1:4). The iris diaphragm has 9 diaphragm blades to obtain beautiful out of focus image. It incorporates an aspherical lens element in the front as well as rear lens groups, to minimize distortion, spherical aberration and astigmatism. The lens has non-vignetting optical construction, in order to obtain adequate peripheral brightness with open aperture. This is especially desirable for digital cameras. The lens incorporates a rear focus system eliminating front lens rotation, thus allowing the use of a... Less

Sigma 150-500mm Lens Bayonet Hood & Case - 1 Year International Warranty plus 2 Year Sigma U.S.A. Extended Warranty (Total Warranty is 3 Years from Date of Purchase) Tiffen 86mm UV Glass Filter - Lens Cap Leash - Professional Lens Cleaning Kit.This ultra-telephoto zoom lens covers a telephoto range up to 500mm and allows photographers to bring the subject close and short perspective. Sigma's original OS (Optical Stabilizer) function offers the use of shutter speeds approximately 4 stops slower. It is ideal for sports, wildlife and landscape photography with handheld shooting. Three SLD (Special Low Dispersion) glass elements provide excellent correction for chromatic aberration. This lens is equipped with a rear focus system that minimizes fluctuation of aberration caused by focusing. ... Less

This latest version of the Sigma Macro 150mm F2.8 EX DG HSM boasts Optical Stablization (OS) which is critical to equipment sporting this focal range and is now splash-proof. Offering the latest optical design technology this lens remains a large aperture medium macro lens ideal for shooting the smaller things in our world that exists virtually unseen. A macro lens is one which will focus on a subject close enough to render it life-size on the image plane in your camera. It also has a flat field front lens element so that it can shoot images of flat objects such as artwork or postage stamps and be tack sharp all the way across the image. With HSM (Hyper-Sonic Motor) a quiet & high-speed auto focus is ensured. It provides extremely high optical performance from infinity to 1:1 Macro. Three... Less

arphotovideo1 store A R PHOTO QUALITY SERVICE LOW PRICES GUARANTEED FOR MORE INFORMATION PLEASE CALL 1 877 677 1818 OR 1 347 274 0669 NEW Optical Stabilizer Sigma AF Zoom 150-500mm f / 5-6.3 APO DG OS Auto Focus Lens For Nikon Cameras Telephoto zoom lens incorporates Sigmas original OS (Optical Stabilizer) function Three SLD glass elements and a rear focus system provide optimum image quality throughout the entire zoom range. Super multi-layer coating reduces flare and ghosting. The minimum