Sigma 10-20mm f/3.5 EX DC HSM

Lens Reviews / Sigma Lenses i Lab tested
Lens Specifications
Name Sigma 10-20mm ƒ/3.5 EX DC HSM
Image Circle APS-C
Type Wide Zoom
Focal Length 10 - 20mm
APS Equivalent 1.5x: 15 - 30mm; 1.6x: 16 - 32mm
Max Aperture ƒ/3.5
Min Aperture ƒ/22
Diaphragm Blades 7
Lens Construction 13 elements in 10 groups, including 4 aspherical, 1 SLD and 2 ELD elements
Diagonal Angle of View(Based on image circle) 102.4 to 63.8 degrees
Focus Details Internal with HSM
Front Element Rotation No
Zoom System Rotary
Closest Focus 0.24m / 0.79 ft.
Magnification Ratio 0.15x / 1:6.6
Filter Size 82mm
Dimensions(Length x Diameter) 88.2mm x 87.3mm / 3.5 in. x 3.4 in.
Weight 520g / 18.3 oz.
Notes Available AF mounts: Sigma, Canon, Nikon, Sony, Pentax; Included Accessories: Soft Case, Petal-type Hood
Typical Online Price US$650