Sigma 105mm f/2.8 EX DG lens

The Sigma 105mm f/2.8 EX DG is a macro lens produced by Sigma Corporation. The lens has six different variates, fitting on the Sigma SA mount, Canon EF mount, Four Thirds System, Pentax K mount, Minolta A-mount, and the Nikon F-mount.[1][2]

105mm f/2.8 APO Macro EX DG
MakerSigma Corporation
Technical data
Focal length105mm
Aperture (max/min)f/2.8 - f/45
Close focus distance31.3 cm.
Max. magnification1:1
Diaphragm blades8
Construction11 elements in 10 groups
Features
Short back focus No
Lens-based stabilization No
Macro capable Yes
ApplicationMacro
Physical
Max. length97.5 mm.
Diameter74 mm.
Weight460 g
Filter diameter58 mm
Retail info
MSRP$640 USD

References
  1. 105mm F2.8 EX DG Macro - Macro Lenses - SigmaPhoto.com Archived 2010-09-18 at the Wayback Machine
  2. High performance medium telephoto macro lens optimized for digital cameras. MACRO 105mm F2.8 EX DG - SIGMA CORPORATION
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