Nippon Kogaku 600mm f9 APO-Nikkor in 5.5″ Sinar board

Description

TheNippon Kogaku 600mm f9 APO-Nikkor is a barrel lens (without shutter) that covers up to 11×14″. In excellent condition, with minor internal dust and light cosmetic wear. Diaphragm blades are even, though a few have light oil which does not affect function. The flip-away lens cap holds well, though only one spring clip is present. The lens is threaded into a custom 5.5″ Sinar-compatible board.