Special Features:

Reticle has 3 concentric circles per mil-c-675 with diameters of 0.026 inch, 0.08 inch, and 0.322 inch; the circles have a line width of 0.0024 inch

Properties:

An item, usually made of glass, having fine wires or hairs, or etched or printed fine lines on a surface, and placed in the focal plane of an optical instrument to establish a reference point to the axis for the purpose of aiming, measuring, ranging, and the like. Excludes lens, optical instrument.