The Specs

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 Information 1 Year Limited Warranty
More Info
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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