Sigma APO Macro 180mm F2.8 EX DG OS HSM
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Manufacturer description: The APO Macro Sigma 180mm F2.8 EX DG OS HSM is a high performance telephoto macro lens designed for Full Frame sensors but may also be used with smaller APS-C size sensors with a corresponding effective increase in focal length to about 260mm with most cameras. The 180mm F2.8 has a large aperture to handle any lighting scenario and the macro capabilities allow focusing down to 1:1 magnification ratio at its closest working distance of 18.5 inches. A Hyper Sonic Motor (HSM) ensures quiet, high speed, and accurate autofocusing while an Optical Stabilizer (OS) compensates for camera shake when shooting hand held. The 180mm F2.8 macro also incorporates a floating Internal Focusing system which reduces aberration during shooting working together with three FLD ("F" Low Dispersion) glass elements for superior correction of color aberration. This lens has a rounded 9 blade diaphragm creating an attractive blur to the out of focus areas of the image and is also compatible with Sigma APO teleconverters.
|Lens type||Prime lens|
|Focal length||180 mm|
|Lens mount||Canon EF, Nikon F (FX), Sigma SA Bayonet, Sony/Minolta Alpha|
|Min focus||0.47 m (18.5″)|
|Weight||1640 g (3.62 lb)|
|Length||204 mm (8.03″)|
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