This vintage Pentax K-mount Sears Auto MC 50mm f/1.7 manual focus prime lens is for use with Pentax K-mount cameras and adapters. There are a few scuff marks on the barrel's exterior. Its focus and aperture adjustments are both smooth. There is a light haze inside of it, but its glass is free of any fungus or separation to its elements. There is no oil on its aperture blades.
