Sigma 105mm f/2.8 EX DG Macro

Lens Reviews / Sigma Lenses i Lab tested
Lens Specifications
Name Sigma Macro 105mm f/2.8 EX DG
Image Circle 35mm
Type Telephoto Prime Macro
Focal Length 105mm
APS Equivalent 1.5x: 157.5mm; 1.6x: 168mm
Max Aperture f/2.8
Min Aperture f/45 (f/32 for Nikon, Pentax mounts; f/22 for Four-Thirds mount)
Diaphragm Blades 8
Lens Construction 11 elements in 10 groups
Diagonal Angle of View(Based on image circle) 23.3 degrees
Focus Details Dual Focus mechanism with limiter
Front Element Rotation No
Zoom System n/a
Closest Focus 31.3cm / 12.3 in.
Magnification Ratio 1.0x / 1:1
Filter Size 58mm
Dimensions(Length x Diameter) 97.5mm x 74mm / 3.8 in. x 2.9 in.
Weight 457g / 16.1 oz
Notes Available AF Mounts: Sigma, Canon, Nikon, Minolta, Pentax, Four-Thirds; Included Accessories: Lens Hood
Typical Online Price US$399.99