This Konica AR-mount Hexanon AR 50mm f/1.8 prime lens comes with its rear cap. It is for use with AR mount cameras and adapters. There are a couple of light scuff marks and some light discoloration on the barrel's exterior. Its focus and aperture adjustments are both smooth and its glass is free of any fungus, haze, or separation to its elements. There is no oil on its aperture blades.