BACK-REFLECTION MIRROR, METHOD OF MANUFACTURING BACK-REFLECTION MIRROR, PENTAPRISM, AND OPTICAL APPARATUS

摘要

PROBLEM TO BE SOLVED: To provide a mirror pentaprism 27 having a back-reflection mirror with good corrosion resistance.;SOLUTION: The mirror pentaprism 27 includes a prism body 271, and a reflection mirror 272 is deposited on the prism body 271. The reflection mirror 272 includes a metal thin film layer 2722 and a protective layer 2724 deposited on the metal thin film layer. The protective layer 2724 contains a rust preventive substance.;COPYRIGHT: (C)2009,JPO&INPIT