Sigma 12-24mm f/4.5-5.6 EX DG Aspherical HSM

Lens Reviews / Sigma Lenses i Lab tested
Lens Specifications
Name Sigma 12-24mm ƒ/4.5-5.6 EX DG Aspherical HSM
Image Circle 35mm
Type Wide Zoom
Focal Length 12 - 24mm
APS Equivalent 1.5x: 18 - 36mm; 1.6x: 19.2 - 38.4mm
Max Aperture ƒ/4.5 - 5.6
Min Aperture ƒ/22
Diaphragm Blades 6
Lens Construction 16 elements in 12 groups, including 3 aspherical and 4 SLD elements
Diagonal Angle of View(Based on image circle) 122 to 84.1 degrees
Focus Details Internal Focus; HSM with full-time manual override
Front Element Rotation No
Zoom System Rotary
Closest Focus 28cm / 11 in.
Magnification Ratio 0.14x / 1:7.1
Filter Size Rear (Gelatin Filter)
Dimensions(Length x Diameter) 102.5mm x 87mm / 3.9 in. x 3.4 in.
Weight 600g / 21.6 oz
Notes Available AF Mounts: [HSM version]: Sigma, Canon, Nikon; [w/o HSM]: Minolta, Pentax
Typical Online Price US$599.99