of aspherical lenses provides correction for various aberrations throughout the entire zoom range and produce a high level of optical performance. DC lenses are exclusively designed for digital SLR cameras. The image circle (rear of lens) is made to match the smaller dimensions used for the image sensor on digital cameras. As a result these lenses are also more compact and lightweight, and are better matched to digital SLR cameras. The Sigma 70-300mm 4-5.6 DG Macro lens is the compact and economical choice for a telephoto zoom lens. Capable of macro photography, this lens has a 1:2 maximum close-up magnification at the 300 mm focal length. It is the ideal high performance lens for portraits, sports photography, nature photography, and other types of photography that frequently use the telephoto range. It also has a switch for cha...  (less)

spreading the weight across your back and shoulders while protecting the photography gear and the computer in separate, foam-padded compartments. The main compartment will hold a full range of cameras, lenses and related gear including a digital or film SLR with an attached lens up to 11" long . Removable, foam-padded dividers allow customization to exactly match your mix of cameras, lenses and equipment. Mesh pockets on the front panel inside the main compartment hold filters and other small accessories visible and within easy reach. Harness straps are contoured and thickly foam padded to allow you to carry a bag full of equipment all day. Key Features: ♦ All Weather Cover ♦ Carry-On Compatible ♦ Laptop Compatible up to 17" inches â...  (less)

cameras featuring APS-C size image sensor. This lens has a minimum focusing distance of 7.9.. (20cm) throughout the entire zoom range. Maximum magnification of 1:2.3 enables close-up photography like a macro lens. The new lens design and multi layer lens coating reduce flare and ghosting, which is a common problem with digital cameras. A Special Low Dispersion (SLD) lens and two aspherical lens elements provide excellent correction for all types of aberrations and produce a high level of optical performance throughout the entire zoom range. This lens offers a large aperture of F2.8 at 17mm wide angle and yet it is compact, with an overall length of 82.5mm (3.2..) and diameter 79mm (3.1..). It performs superbly even in relatively low light conditions indoors or at dusk. The lens...  (less)

digital SLR cameras featuring APS-C size image sensor. This lens has a minimum focusing distance of 7.9.. (20cm) throughout the entire zoom range. Maximum magnification of 1:2.3 enables close-up photography like a macro lens. The new lens design and multi layer lens coating reduce flare and ghosting, which is a common problem with digital cameras. A Special Low Dispersion (SLD) lens and two aspherical lens elements provide excellent correction for all types of aberrations and produce a high level of optical performance throughout the entire zoom range. This lens offers a large aperture of F2.8 at 17mm wide angle and yet it is compact, with an overall length of 82.5mm (3.2..) and diameter 79mm (3.1..). It performs superbly even in relatively low light conditions indoors or at dusk. The ...  (less)

cameras featuring APS-C size image sensor. This lens has a minimum focusing distance of 7.9.. (20cm) throughout the entire zoom range. Maximum magnification of 1:2.3 enables close-up photography like a macro lens. The new lens design and multi layer lens coating reduce flare and ghosting, which is a common problem with digital cameras. A Special Low Dispersion (SLD) lens and two aspherical lens elements provide excellent correction for all types of aberrations and produce a high level of optical performance throughout the entire zoom range. This lens offers a large aperture of F2.8 at 17mm wide angle and yet it is compact, with an overall length of 82.5mm (3.2..) and diameter 79mm (3.1..). It performs superbly even in relatively low light conditions indoors or at dusk. The lens...  (less)

cameras featuring APS-C size image sensor. This lens has a minimum focusing distance of 7.9.. (20cm) throughout the entire zoom range. Maximum magnification of 1:2.3 enables close-up photography like a macro lens. The new lens design and multi layer lens coating reduce flare and ghosting, which is a common problem with digital cameras. A Special Low Dispersion (SLD) lens and two aspherical lens elements provide excellent correction for all types of aberrations and produce a high level of optical performance throughout the entire zoom range. This lens offers a large aperture of F2.8 at 17mm wide angle and yet it is compact, with an overall length of 82.5mm (3.2..) and diameter 79mm (3.1..). It performs superbly even in relatively low light conditions indoors or at dusk. The lens...  (less)

backpack designed to comfortably carry this load by spreading the weight across your back and shoulders while protecting the photography gear and the computer in separate, foam-padded compartments. The main compartment will hold a full range of cameras, lenses and related gear including a digital or film SLR with an attached lens up to 11" long . Removable, foam-padded dividers allow customization to exactly match your mix of cameras, lenses and equipment. Mesh pockets on the front panel inside the main compartment hold filters and other small accessories visible and within easy reach. Harness straps are contoured and thickly foam padded to allow you to carry a bag full of equipment all day. Key Features: ♦ All Weather Cover ♦ Carry-On Compatible ♦ Laptop Compatible up to 17" inches...  (less)

compact dimensions (Diameter 74mm and Length of 86mm) that make this lens the ultimate traveling companion. Its the ideal lens all types of photography and optimized for digital SLR cameras. 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 through the entire zoom range. This lens features one Special Low Dispersion (SLD) glass element and one aspherical lens in the front lens group, and one SLD glass element and three aspherical lenses in the rear lens group. This lens provides excellent correction for all types of aberrations. The 28-300mm F3.5-6.3 DG MACRO lens has a minimum focusing distance of 50cm at all focal lengths and is equipped...  (less)