Sigma 28-70mm f/2.8 EX DG

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Lens Specifications
Name Sigma 28-70mm f/2.8 EX DG
Image Circle 35mm
Type Standard Zoom
Focal Length 28 - 70mm
APS Equivalent 1.5x: 42 - 105mm; 1.6x: 44.8 - 112mm
Max Aperture f/2.8
Min Aperture f/22
Diaphragm Blades 9
Lens Construction 14 elements in 12 groups, including 4 aspherical and 2 SLD elements
Diagonal Angle of View(Based on image circle) 75.4 to 34.3 degrees
Focus Details
Front Element Rotation No
Zoom System Rotary with lock
Closest Focus 33cm / 13 in.
Magnification Ratio 0.23x / 1:4.4
Filter Size 67mm
Dimensions(Length x Diameter) 87.2mm x 74mm / 3.4 in. x 2.9 in.
Weight 510g / 18.1 oz
Notes Available AF Mounts: Sigma, Canon, Nikon, Minolta, Pentax
Typical Online Price US$319.00