Sigma's APO 50-500mm F4.5-6.3 DG OS HSM is an advanced optical design of this 10x power high-performance zoom lens that covers the standard-to-super- telephoto range, now with the added advantage of Sigma's own Optical Stabilization which offers the use of shutter speeds approximately 4 stops slower than would otherwise be possible. Sigma is the only one to offer OS for Sony and Pentax mount where the image is stabilized in the viewfinder if chosen. For many photographers, having an "all-in-one" lens is an absolute dream. Especially for nature photographers, the idea of a lens suitable for landscape photography at the short end of the zoom range, while still having enough reach for wildlife is a great option. Add to that, the ability to close focus on small objects in the field such as... Less

Sigma Corporation is pleased to announce the launch of the 500 F4.5 APO EX DG HSM lens. It is fully compatible with all Nikon Digital SLR cameras including the D40 and D40X This ultra-telephoto lens has a fast maximum aperture, and also features a new super multi-layer coating, which optimizes the characteristics of digital SLR cameras.Two ELD glass elements in the front lens elements reduce chromatic aberration to a minimum and also ensure sharp, quality images of high contrast. The overall length of the lens does not change during focusing, ensuring convenient handling and ease of use. The AF drive for Sigma SA, Canon and Nikon S.L.R. cameras features Sigma's ultra-quiet and high-speed Hyper Sonic Motor (HSM). It also features a drop-in 46mm filter holder in the rear part of the lens... Less

This Ultimate Telephoto 500mm f/4.5 EX DG APO HSM Autofocus Lens + Accessory Kit for Canon EOS Includes: - Sigma Telephoto 500mm f/4.5 EX DG APO Autofocus Lens - Lens Cap Keeper - Lens Cleaning Pen - Monopod - LCD Screen Protectors - Cleaning Kit with Sunset Electronics Microfiber Cleaning Cloth

The Sigma APO 50-500mm F4.5-6.3 DG OS HSM is a 10x high zoom ratio ultra telephoto zoom lens incorporating Sigma's original Optical Stabilizer function. This lens covers a wide range of focal lengths from 50mm to 500mm ultra telephoto. The OS (Optical Stabilizer) function offers the use of shutter speeds approximately 4 stops slower than would otherwise be possible. As compensation for camera shake is visible in the view finder, the photographer can easily check for accurate focus and ensure there is no subject movement. Four SLD (Special Low Dispersion) glass elements provide excellent correction of color aberration. The Super Multi-Layer Coating reduces flare and ghost and ensures high image quality throughout the entire zoom range. This lens has a maximum magnification ratio of 1:3.1... Less

Fast maximum aperture F4.5 telephoto lens optimized for digital SLR cameras.This ultra-telephoto lens has a fast maximum aperture, and also features a new super multi-layer coating, which optimizes the characteristics of digital SLR cameras. Two ELD glass elements in the front lens elements reduce chromatic aberration to a minimum and also ensure sharp, quality images of high contrast.

Sigma 500mm f/4.5 EX DG APO HSM Autofocus Lens for Canon EOSType: Telephoto LensFocus Type: Auto FocusDiameter: 46mm (drop-in type) Compatibility: For CanonFeatures: Fast maximum aperture F4.5 telephoto lens optimized for digital SLR cameras. New coating reduces Ghost and Flare It is equipped with ELD (Extra Low Dispersion) glass elements It also features a rotatable drop-in filter HSM (Hyper Sonic Motor for Sigma Canon and Nikon mount lenses) Inner Focus Accepts both 1.4X and 2X APO EX Tele-Converters Lens Construction:

Sigma's New APO 70-200mm F2.8 EX DG OS HSM is the second generation of this large aperture telephoto zoom lens now incorporating Sigma's Optical Stablization function, OS, Sigma's own anti-shake system. Two FLD glass elements, which have the performance equal to fluorite glass have also been added along with three SLD glass elements, all which provide excellent correction of color aberration. In spite of the additions of all of these features, Sigma has managed to make the lens more compact than its predecessor, measuring only 7.8" in length. For any serious photographer where the 70-200mm focal range is often the most important second lens to own after the initialstandards lens or mid range zooms. The fast aperture is extremely useful and important in low light environments or when... Less

From 300mm telephoto to 800mm ultra-telephoto this new lens provides a constant fast maximum aperture and is optimized for digital SLR cameras. This lens covers the telephoto range from 300mm to the ultra-telephoto range up to 800mm. By continuously varying the angle of view from 8.2° to 3.1°, the lens takes a lot of the footwork out of picture composition. New coating reduces Ghost and Flare The new multi layer lens coating and lens design reduce flare and ghost, which is a common problem with digital cameras and also creates an optimum color balance. It is equipped with ELD (Extra Low Dispersion) glass elements Two ELD glass elements in the front lens elements reduce chromatic aberration to a minimum and also ensure sharp, quality images of high contrast. HSM (Hyper Sonic Motor for... Less

This Ultimate Sigma 150-500mm f/5-6.3 DG OS HSM APO Autofocus Lens + Accessory Kit for Canon EOS Includes: - Sigma 150-500mm f/5-6.3 DG OS HSM APO Autofocus Lens - Sigma 1.4x DG EX APO Teleconverter - 0.45X Wide Angle Lens - 2X Telephoto Lens - Lens Cap - Lens Hood - Lens Cap Keeper - 3 Piece Filter Kit (UV, FLD, CPL) - Microfiber Cleaning Cloth

This Ultimate Sigma 70-200mm f/2.8 EX DG APO OS HSM Lens + Accessory Kit for Nikon Includes: - Sigma 70-200mm f/2.8 EX DG APO OS HSM Lens - 0.45X Wide Angle Lens - 2X Telephoto Lens - Lens Cap - Lens Hood - Lens Cap Keeper - Monopod - 3 Piece Filter Kit (UV, FLD, CPL) - Microfiber Cleaning Cloth