Ultraviolet Lens: QTY one (1) with 100mm focal length, f/2. 8 aperture and QTY two (2) with 45mm focal length, f/1. 8 aperture | | W911QX15T0224 | Department of the Army Materiel Command Army Contracting Command Aberdeen Proving Ground | Award Notice 1/1 | 7/10/15, 2:13 PM |