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The SIGMA APO 120-400mm F4.5-5.6 DG HSM telephoto zoom lens offers the use of shutter speeds approximately
4 stops slower.
The minimum focusing distance of 150cm (59.1")
throughout the entire zoom range and maximum magnification of 1:4.2
make it useful for close-up photography.
Three SLD (Special Low
Dispersion) glass elements provide excellent correction for chromatic
aberration. This lens is equipped with a rear focus system that
minimizes fluctuation of aberration caused by focusing. High image
quality is assured throughout the entire zoom range.
This lens
incorporates HSM (Hyper Sonic Motor), which ensures a quiet and
high-speed AF as well as full-time manual focusing capability. It is
also possible to attach the optional APO Tele Converters.
APO Tele-Converter (Optional)
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.
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Features
- 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 (59.1”) makes it useful for
close-up
photography.
- HSM ensures quiet and high-speed autofocus.
- Compatible with Sigma’s APO Tele Converters.
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