Manufacturer’s Description

This ultra-wide zoom lens has a wide angle of view from 102.4 - 63.8 degrees (when Sigma mount is used) and it is exclusive to digital SLR cameras. SLD glass elements effectively compensate color aberration. Aspherical lenses provide maximum correction for distortion and various aberrations; high image quality is displayed throughout the entire zoom range.

The Specs

Optics
Min Focal Length 10 mm
Min Focus Distance 9.45"
Filter Size Supported 77 mm
Additional Specifications
Angle of View 102.4 to 63.8 degrees
normalized-Weight 16.48
Minimum Aperture 22 1/f
Lens Construction 14 Elements in 10 Groups
Brand Name Sigma
Maximum Aperture 4 1/f
Quick Glance
Max Focal Length 20 mm
Lens Type Super Wide Angle Zoom
Max Aperture f/ 4 (Wide)|f/ 5.6 (Tele)
Compatible Camera Mount Digital SLR Cameras
Other Features
Included Components Lens Hood
Warranty
Warranty Information 1 Year Limited Warranty
More Info
URL http://www.sigma-photo.com
Physical Specifications
Diameter 3.3 in
Weight 1.03 lbs
Length 3.2 in
Dimensions 3.19" Length x 3.29" Diameter

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