20 mm Lens Extension Ring EXT-20

MidOpt EXT-20.0 20.0mm Lens Extension Ring Includes the following Extension Ring 20.0mm EXT-20.0 About Lens Extension Rings Extension Rings are used to decrease the Minimum Object Distance (MOD) for C/CS mount lens Increase Magnification for close-up applications Available as a 6 Extension Ring Set, 4 Extension Ring Set, and in individual size ranging from 20.0mm to 100mm Manufactured by Midwest Optical Systems