![]() ![]() The aspherical lens complex allows freedom of design, improved performance, a reduced number of component lenses and a compact size. Art LensĮngineered for those who see photography as a critical expression of self, our Art line offers sophisticated optical performance and abundant expressive power to deliver faithfully on your artistic vision. The large image circles of DG lenses mean there will always be enough peripheral illumination to avoid vignetting. ![]() Super Multi-Layer Coating, along with Sigma's optimized optical design work to reduce reflections between the image sensor and the lens surfaces. DG lenses provide exceptionally high contrast along with subtle gradations in tone and color. 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. Thanks to a complete and comprehensive approach to the correction of chromatic aberrations, you will experience incredible image clarity and smoothness. Sigma DGs also maximize the abilities of 35mm SLR cameras and APS-C size DSLRs. Sigma's DG lenses are specifically designed to deliver the ultimate level of performance on full frame digital SLRs. The Sigma 18-35mm 1.8 DC HSM is a new benchmark in photographic history and a must have for every camera bag. A 9 blade rounded diaphragm also creates beautiful background blur. Its new Global Vision design works features compatibility with the Sigma USB dock for further customization. The use of Thermally Composite Material (TSC) reduces size and weight but increases accuracy of the lens construction. The 18-35mm is ideal for landscape photography, portrait photography, still life photography, snap shots, casual photography, and close-ups and the Hyper Sonic Motor (HSM) ensures smooth, fast and accurate autofocusing. ![]() Internal focusing and zooming allows for more usability and functionality. Tapping into Sigma’s long history of lens innovations, the 18-35mm 1.8 DC HSM incorporates a wide glass molded aspherical lens with Special Low Dispersion (SLD) glass to compensate for aberrations and curvature at the widest angle. Designed specifically for APS-C sized sensors, the Sigma 18-35mm 1.8 translates to 27mm-52.5mm on 35mm camera. Truly a revolutionary product, the Sigma 18-35mm 1.8 DC HSM is the first wide-angle to standard zoom lens to achieve a large aperture of 1.8. Sigma 18-35mm f/1.8 DC HSM Art Lens for Canon DSLR Cameras ![]()
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