SPECIFICATIONS:

• Optical Stabiliser
  This telephoto zoom lens incorporates Sigma’s original OS (Optical Stabiliser) system. It offers the equivalent of using a shutter speed approximately 4 stops faster.
• Incorporated with SLD Glass
  Three SLD (Special Low Dispersion) glass elements provide excellent correction for chromatic aberration. This lens is equipped with the rear focus system that minimises fluctuation of aberrations 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.
• Minimum focusing distance of 150cm
  The minimum focusing distance of 150cm throughout the entire zoom range and has a maximum magnification of 1:4.2 make it useful for close-up photography.
• HSM
  This lens incorporates HSM (Hyper Sonic Motor), which ensures a quiet and high-speed AF as well as full-time manual focus override.
• Compatible with Sigma APO Tele Converters
  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.
  (See the Compatibility Table for information.)
• Detachable tripod collar
  A removable tripod collar and matched lens hood is included as a standard component.
  

• Lens Construction 21 Elements in 15 Groups
  
• Angle of View 20.4 - 6.2 degrees
  
• Number of Diaphragm Blades 9 Blades
  
• Minimum Aperture F32
  
• Minimum Focusing Distance 150cm
  
• Maximum Magnification 1:4.2
  
• Filter Size 77mm
  
• Dimensions Diameter 92mm X Length 203mm
  
• Weight 1640g
  
  
  
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