This vintage non-standard Kormura Reflex Mount Komura Sankyo Kohki 400mm f/6.3 manual focus telephoto lens comes with caps in its case. The rear thread mount is 47mm and the internal smaller one is a non-standard M39 screw mount. There are a couple of light scuffs and scratches on its exterior. Its focus and aperture adjustments are both smooth and its glass is excellent with no fungus, haze, or separation to its elements. There is no oil on its aperture blades.
