Asahi M42 Extension Tube Set

This Asahi extension tube set includes three M42 thread-mount extension tubes: roughly 9mm, 19mm, and 29mm, for a total of about 57mm extension when combined. These are manual-diaphragm tubes without autodiaphragm passthrough. In excellent condiiton overall, with minor paint and finish wear. Includes original box, which is lined with purple flocking and white satin, and rules.