The Specs

Optics
Min Focal Length 10 mm
Min Focus Distance 9.4 in
Filter Size Supported 77 mm
Additional Specifications
Angle of View 64? to 102?
Digital Format Yes
Max Aperture at Min Focal Length F/4
Min Aperture Value F/22
Quick Glance
Max Focal Length 20 mm
Lens Type Ultra Wide Angle Zoom
Max Aperture f/ 4 (Wide)|f/ 5.6 (Tele)
Compatible Camera Mount Canon Digital SLR Cameras
Other Features
Included Components Case|Lens Hood
Warranty
Warranty Information 1 Year Limited Warranty
More Info
URL http://www.sigma-photo.com
Physical Specifications
Diameter 3.3 in
Weight 1.02 lbs
Length 3.2 in
Dimensions 3.20" Length x 3.30" Diameter

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