This Kern-Pillar Switar H16 RX 25mm F1.4 C mount lens is in excellent condition cosmetically, mechanically and optically. Serial #556138. Comes with original front screw on lens cap, lens hood and leather case. C mount lens originally made for your vintage 16mm Bolex film cameras but have become very popular on the modern micro 4/3 mount and other APS-c compact digital cameras for their small size and fast aperture speed. A great lens to use. Highly sought after for use with the micro 4/3 system.