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APO 120-400mm F4.5-5.6 DG OS HSM
High ratio zoom lens housed in a compact construction and incorporating SigmaÕs original OS (Optical Stabilizer) function.

The Sigma Corporation is pleased to announce the launch of the new APO 120-400mm F4.5-5.6 DG OS
HSM.

* Incorporating SigmaÕs original OS (Optical Stabilizer) function.
* Three SLD glass elements and a rear focus system provide optimum image quality throughout the entire zoom range.
* Super multi-layer coating reduces flare and ghosting.
* The minimum focusing distance of 150cm (59.1Ó) makes it useful for close-up photography.
* HSM ensures quiet and high speed autofocus.
* Compatible with SigmaÕs APO Tele Converters.

This telephoto zoom lens incorporates SigmaÕs original OS (Optical Stabilizer) function. It offers the equivalent of using a shutter speed approximately 4 stops faster. Three SLD (Special Low Dispersion) glass elements provide excellent correction for chromatic aberration. This lens is equipped with the rear focus system that minimizes fluctuation of aberration caused by focusing. It provides optimum image quality throughout the entire zoom range.

The super multi-layer lens coating reduces flare and ghosting. High image quality is assured throughout the entire zoom range. The minimum focusing distance of 150cm (59.1Ó) throughout the entire zoom range and has a maximum magnification of 1:4.2 make it useful for close-up photography. This lens incorporates HSM (Hyper Sonic Motor), which ensures a quiet and high-speed AF as well as full-time manual focusing capability. The addition of the optical 1.4x EX DG APO or 2x EX DG APO Tele Converters produce a 168-560mm F6.3-8 MF ultra-telephoto zoom lens or a 240-800mm F9-11 MF ultra-telephoto zoom lens respectively.
*1 OS function is not available.
*2 If the camera body does not support HSM motor, AF does not work.

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