60 Day 100% money back guarantee. Offered here is a Schneider-Kreuznach optical assembly centered on a Componon-S 4/80 lens. The lens is marked 80mm f/4 and serial number 14406069. The lot also includes the UNIFOC 58 helical focusing mount, part 39549, marked for Leica 39 x 26 thread and M42 x 0.75 T2, plus the pictured T2/C-Mount adapter assembly marked 41629. This matched group may be useful for compatible enlarging, macro imaging, reproduction, and industrial machine-vision configurations where an adjustable lens-to-camera connection is required. The components show light handling wear, dust, and small marks from storage. Dust or specks are visible on the lens surfaces in the photographs. Aperture action, focusing travel, optical performance, and camera compatibility have not been verified. Please review every image for the exact configuration and cosmetic condition. Only the pictured components are included. Keyword Block: schneider kreuznach, componon-s, 80mm f4, unifoc 58, 39549, 41629, m39, t2 c-mount, enlarging lens, macro optics, machine vision