MIL-M-13508C, MILITARY SPECIFICATION: MIRROR, FRONT SURFACED ALUMINIZED: FOR OPTICAL ELEMENTS (19-MAR-1973) [NO S/S DOCUMENT]

MIL-M-13508C, MILITARY SPECIFICATION: MIRROR, FRONT SURFACED ALUMINIZED: FOR OPTICAL ELEMENTS (19-MAR-1973) [NO S/S DOCUMENT]., This specification covers a mirror coating consisting of a deposited aluminum reflective film overlaid with a transparent dielectric protective film applied on the front surface of optical elements.