Sigma 50mm f/2.8 EX DG Macro

Lens Reviews / Sigma Lenses i Lab tested
Lens Specifications
Name Sigma Macro 50mm f/2.8 EX DG
Image Circle 35mm
Type Standard Prime Macro
Focal Length 50mm
APS Equivalent 1.5x: 75mm; 1.6x: 80mm
Max Aperture f/2.8
Min Aperture f/45 (f/32 for Nikon and Pentax mounts)
Diaphragm Blades 7
Lens Construction 10 elements in 9 groups
Diagonal Angle of View(Based on image circle) 46.8 degrees
Focus Details
Front Element Rotation ?
Zoom System n/a
Closest Focus 18.9cm / 7.4 in.
Magnification Ratio 1.0x / 1:1
Filter Size 55mm
Dimensions(Length x Diameter) 66.5mm x 71.4mm / 2.6 in. x 2.8 in.
Weight 320g / 11.3 oz
Notes Available AF Mounts: Sigma, Canon, Nikon, Minolta, Pentax; Included Accessories: Lens Hood
Typical Online Price US$269.99