Manufacturer’s Description

This super wide angle lens is ensured minimal light-fall-off with superior peripheral brightness. The iris diaphragm has 9 diaphragm blades to obtain beautiful out of focus images in the foreground and background. This is an ideal DG lens optimized Digital SLR camera. The lens incorporates Dual-Focus (DF) mechanism. It is easy to hold the lens, since the focusing ring does not rotate during auto-focus, yet it provides adequate focusing torque of the focusing ring during manual focusing of the lens.

The Specs

Optics
Max Focal Length 20 mm
Min Focal Length 20 mm
Min Focus Distance 7.87"
Max Aperture f/ 1.8
Filter Size Supported 82 mm
Additional Specifications
Field of View 94.5 degrees
Category Lens Adapters
Class Camera Accessories
Height 3.4 in
Width 3.5 in
Quick Glance
Max Focal Length 20 mm
Lens Type Super Wide Angle
Max Aperture f/ 1.8
Compatible Camera Mount Nikon AF D Cameras
Usage Information
Lens Type Super Wide Angle
Compatible Camera Mount Nikon AF D Cameras
More Info
URL http://www.sigma-photo.com
Physical Specifications
Weight 1.15 lbs
Dimensions 3.50" Length x 3.50" Diameter

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