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80-400mm f/4.5-5.6 EX DG OS f/CANON EO
Optical Stabilizer (OS) function, developed with Sigma's own technology, compensated for shaking of the camera Using Sigma's original OS (Optical Stabilizer) function, two types of sensors inside the lens detect vertical and horizontal movement of the camera. The 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. Two types of camera-shake compensation modes to handle all types of shooting conditions. In Mode 1, the system detects and compensates for vertical and horizontal movement of the camera; ideal for still-image photography.And in Mode 2, the system detects and compensates for vertical movement of the camera; ideal for motor sports and other situations where panning may be desired. OS system can be used with Nikon cameras, which are only compatible with image blurring compensation mechanism. It can be used withfollowing cameras. F6 and F100, F80/N80 series - F65/U, F75/U2, D2H, and D1 series, D100, D70 and Fuji Film FinePix S2 Pro.OS mechanism cannot be used with other camera models.In addition, OS mechanism and Auto Focus operation of this lens do not work with F5 cameras. This lens has two SLD (Special Low Dispersion) glass elements in the front lens group and one in the rear lens group for correction of chromatic aberration throughout the entire zoom range. The rear focus eliminates the need for the front of the lens to rotate, thus allowing the use of circular polarizing filter. A zoom lock switch is built in to prevent the lens from extending due to its own weight, and the lens is easier to use. It is also possible to use this lens with Sigma 1.4x EX and 2x EX APO Tele-Converter to make ultra tele-zoom. With the optional APO tele-converter 1.4x EX, it works as a manual focus tele-zoom lens from 112mm to 560mm F6.3-8. With APO tele-converter 2.0x EX, it works as a manual focus tele-zoom lens from 160mm to 800mm F9-11.
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