Only a high proportion of compact digital SLR cameras designed to function Sigma original OS (Optical Stabilizer) incorporated. The system, optical lenses for intra-group image stabilization lens to move the camera work and direction of vertical and horizontal movement of the effective detection, to compensate for camera shake two sensors will be used. A faster shutter speeds of approximately 4 stops to use the same services. Such as the whole angle, telephoto or close-up shot of some type of lens is ideally suited for. SLD (Special low dispersion) glass, glass-molded aspherical lens and two hybrid aspherical lenses to reduce the Super Multi-aberrations.

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The all kinds of coating layer lens provides excellent correction for flare or ghost appears. High quality is guaranteed throughout the scale. Lens focal length of all minimum focal length 35 cm (13.8 "), and maximum increase of 1:3.8, best close-up pictures on a backup. This lens), in a quiet, high speed to guarantee automatic focus HSM included.