ronichas Loc: Long Island

Lens is in very good condition, no signs of wear, I am asking $350

This Sigma lens provides an ultra-wide angle zoom lens from 10-20mm. It can be useful for images of landscapes, large buildings, group photographs or even more. The perspective that changes with the angle-of-view gives picture an extraordinary feeling.the rear lens group to minimize spherical aberration. Minimization of the distortion is a most important issue for zoom lens, but Sigma has succeeded, to provide image quality with minimal distortion by employing aspherical lenses.
Other features include a close focusing distance of 9.4 inches, a non-rotating lens barrel that perfectly suits the petal-shaped lens hood (included), and a one-year warranty.
Specifications

Focal length: 10-20mm
Maximum aperture: f/4-5.6
Lens construction: 14 elements in 10 groups
Angle of view: 94.5 to 56.8 degrees
Number of diaphragm blades: 6
Minimum aperture: f/22
Minimum focusing distance: 9.4 inches
Maximum magnification: 1:6.7
Mount: Nikon
Filter size: 77mm
Filter size: Petal-type hood
Dimensions: 3.3 inches in diameter and 3.4 inches long
Weight: 17.5 ounces