The latest version, the Sigma DP1x, remains true to that objective and maintains its wide focal length lens, but reflects several Upgrades from the initial introduction of the DP series back in 2008. Specifically, it now houses the "True II" image Processing engine, the new AF Algorithm provides high speed auto focusing, ensuring convenient shooting and the Power Save Mode lowers the Battery consumption allowing for a greater number of pictures to be taken with a single battery charge. The new rear design makes the User Interface easier to interpret and use with quick, easy button recognition as the addition of red buttons enables easier operation of the camera controls. The DP1x is accompanied by the latest RAW image processing software, Sigma Photo Pro 4.0 which has superior image... Less

Cantilever legs ease the strain in crowded classrooms. Open-sided design provide unobstructed dual-entry for students. Spacious 24''W x 18''D work surface. .625'' thick high pressure laminate top. Fusion Maple, Medium Oak and Walnut Top have clear lacquer edge treatment. Grey Nebula Top has black lacquer edge treatment. Nylon floor glides help protect floors, front glides are adjustable. Recommended for Grades 2 - Adult Learning. Recommendations are for students of average height and weight. Greenguard Certified for Children & Schools. 10 Year Manufacturer Limited Warranty. This Item MUST Be Ordered In Increments of 2. Optional Backpack Hanger: hangs on side of table to clear floor of clutter, chrome finish. Optional Bookrack: chrome steel wire basket for convenient book retrieval.

The dedicated APO teleconverter can be mounted between select lenses and the camera body to increase the focal length by the power of 2.0x. The new multi layer coating reduces flare and ghost, which is a common problem with digital cameras. They demonstrate best performance with DG series lenses. They also offer maximum photography magnification by 2.0 x, without any variation in the minimum focusing distance. Compact and lightweight, these teleconverter convert your lenses into longer focal-length lenses, so you don't have to do a lot of unnecessary footwork.

Built in Petal Shaped Lens Hood, Front & Rear Lens Caps, 1 Year International Warranty plus 3 Year Sigma U.S.A. Extended Warranty (Total Warranty is 4 Years from Date of Purchase). Sigma's new 12-24mm F4.5-5.6 II DG HSM is an update to the 12-24mm F4.5-5.6 EX DG ASP HSM, which has been a photographer favorite since it was first introduced in 2002. Revisions to the lens include the splash-proof design, as well as the inclusion of one Special Low Dispersion (SLD) glass element and four of the company's new "F" Low Dispersion FLD glass elements to compensate for color aberration and provide high imagequality. FLD glass is the highest level, low dispersion glass available with extremely high light transmission and performance equal to fluorite glass. The new 12-24mm contains three glass... Less

Lens Hood, Front & Rear Lens Caps, Pouch Case, 1 Year International Warranty plus 3 Year Sigma U.S.A. Extended Warranty (Total Warranty is 4 Years from Date of Purchase) 77mm UV Wide Angle Glass Filter - Professional Lens Cleaning Kit.Sigma 24mm f1.8 EX DG Aspherical Macro is one of the EX Series lenses. This lens has a fast F1.8 maximum aperture with macro focusing capability of minimum focusing down to 18cm/7.1 inches (reproduction ratio 1:2.7). The iris diaphragm has 9 diaphragm blades to obtain beautiful out of focus image. It incorporates the floating focus system and uses two aspherical lens elements for minimizing distortion and spherical aberration and astigmatism. Internal focus system eliminates front lens rotation, thus allowing the use of a Perfect Hood and the easy use of... Less

Sigma's 24mm F1.8 EX DG Aspherical Macro Lens is a large Aperture wide angle lens giving photographers freedom of expression with the ability to set the desired aperture and get as close as 7.1 inches allowing the photographer the juxtaposition between near and backgrounds in the distance. The 84 angle of view is perfect for landscape photos while also great for shooting group shots without distorting the subjects at the edge of the frame and compact enough for working in tight quarter with a single subject. This lens is perfect for photo journalists where it is essential to have a fast, wide angle lens, scenic, social and full-time Professional photographers who are in need of a hardworking lens. Extremely compact within the category of super fast wide-angle lenses and totally affordable... Less

Sigma APO 120-300mm F2.8 EX DG OS HSM (136-101) boasts Optical Stabilization (OS) which is critical to equipment sporting this focal range allowing for hand-held tele-photography and the use of shutter speeds approximately 4 stops slower than would otherwise be possible. Its includes splash-proof feature preventing dust and precipitation from getting inside the lens. One SLD and two FLD glass elements provides maximum correction of chromatic aberrations.The super multi-layer coating reduces flare and ghosting and the lens design incorporates an inner focusing and inner zooming system to ensure sharp images throughout the entire zoom range. Improved optical performance provides excellent correction of sagittal coma flare and ensures ultra-high resolution, comparable to a fixed focal length... Less

Petal Lens Hood, Front & Rear Lens Caps, Carry Case with Strap, Step Down Ring, TS-31 Tripod Socket, 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.New Sigma APO 50-500mm F4.5-6.3 DG OS HSM. This 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. Four SLD (Special Low Dispersion) glass elements provide excellent correction of color aberration. The Super Multi-Layer... Less

Lens Hood, Front & Rear Lens Caps, Pouch Case, 1 Year International Warranty plus 3 Year Sigma U.S.A. Extended Warranty (Total Warranty is 4 Years from Date of Purchase).Sigma Macro 150mm F2.8 EX DG HSM (106-101) boasts Optical Stabilization (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 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... Less

This Sigma 12-24mm F4.5-5.6 EX DG Aspherical Lens is a result of Sigmas reputation for consistently producing outstanding wide angle and super wide-angle lenses. This lens incorporates an amazing range of popular focal lengths covering angles of view from approximately 85 up to 122. This kind of scope makes this lens critical for landscape and scenic photography and can also be an amazing performer for interior and exterior architectural shooting. Three Aspherical glass elements offer correction for Distortion and four SLD (Special Low Dispersion) glass elements employed for effective compensation of Color aberration. It is also perfect for press or social situations where the photographer often has no control of the distances and size of the subject groups.--Lens Construction 16 Elements... Less

The Sigma Corporation is pleased to announce the new Sigma 12-24mm F4.5-5.6 II DG HSM. One SLD and four FLD glass elements compensate for color aberration and provide high image quality.Three glass mold elements and one hybrid aspherical lens give advanced performance and compact and lightweight construction. The Super Multi-Layer Coating reduces flare and ghosting. This lens has superior peripheral brightness and provides sharp and high contrast images even at the maximum apertures. Incorporation of HSM (Hyper Sonic Motor) ensures quiet and high speed auto focus, while allowing full-time manual focus override. This lens has a minimum focusing distance of 28cm (11.0?) throughout the entire zoom range and a maximum magnification ratio of 1:6.4. In addition, this lens features splash proof... Less

The Sigma Corporation is pleased to announce the new Sigma 12-24mm F4.5-5.6 II DG HSM. One SLD and four FLD glass elements compensate for color aberration and provide high image quality.Three glass mold elements and one hybrid aspherical lens give advanced performance and compact and lightweight construction. The Super Multi-Layer Coating reduces flare and ghosting. This lens has superior peripheral brightness and provides sharp and high contrast images even at the maximum apertures. Incorporation of HSM (Hyper Sonic Motor) ensures quiet and high speed auto focus, while allowing full-time manual focus override. This lens has a minimum focusing distance of 28cm (11.0?) throughout the entire zoom range and a maximum magnification ratio of 1:6.4. In addition, this lens features splash proof... Less