5% off (Sale price $3399.00, Reg. Price $3599.00) :: The Sigma 120-300mm F2.8 EX DG OS APO HSM is delivers high speed superior optical performance for Full Frame or APS-C sized sensors. It features a Hyper Sonic Motor (HSM) an Optical Stabilizer Inner Focusing and Zooming System as well as SLD and FLD Glass Elements (FLD has a performance equal to fluorite). The HSM ensures quiet high speed accurate autofocusing while the OS allows for use of shutter speeds 4 stops slower than would otherwise be possible. Super Multi-Layer coating and the SLD and FLD lens elements work together to reduce flare and ghosting while providing the maximum correction of chromatic aberrations. An inner focusing and zooming system produces sharper images throughout the entire zoom range and the large fixed aperture of f/2.8 is capable of handling any lighting scenario. All of these amazing features make Sigma 120-300mm f/2.8 DG OS APO HSM Lens For Sigma the perfect lens for capture fast moving objects at a distance perfect for sports and wildlife photography.APO – ApochromaticIn order to attain the highest quality images the APO lens has been made using special low-dispersion (SLD) glass and is designed to minimize color aberration.CONV- Teleconverter Compatible This lens can be used with the APO Teleconverter EX. It can increase the focal length and will interface with the camera's AE (automatic exposure) function.DG – DG for DigitalSigma's DG lenses are specifically designed to deliver the ultimate level of performance on full frame digital SLRs. Sigma DGs also maximize the abilities of 35mm SLR cameras and APS-C size DSLRs. Thanks to a complete and comprehensive approach to the correction of chromatic aberrations you will experience incredible image clarity and smoothness. Specific attention was paid to helping eliminate color fringing often caused by lateral chromatic aberration a problem that is magnified at high resolution in digital photography. DG lenses provide exceptionally high contrast along with subtle gradations in tone and color. Super Multi-Layer Coating alon
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