Very Clean! Good f/stop blades. No oil. No Haze on glass. This zoom lens from Vivitar has a Canon FD mount and is compatible with Canon cameras. It has a focal length of 100-300mm and a maximum aperture of f/5. Typically, this lens is used with fast film with the camera mounted on a monopod. Great for wildlife photography. The lens is a Vivitar MC Macro series and is a manual focus lens. It also has a compatible lens front and filter size of 62mm.This lens is perfect for those who are looking for a zoom lens that can capture faraway subjects. It has a close focusing feature that allows you to take detailed photos of objects up close. The lens is in great condition and comes with a built-in hood for protection. Complete with front and back caps. Ships Ground Advantage. Thanks for looking!