Otherwise the glass is spotless. Remember, it is a Non-AI lens for use with earlier Nikons like F, F2, Nikkormat. It has a rotating tripod collar and built-in retractable hood. The condition is very good with only minor external blemishes. No dents, dings, or damage.
Optics are scratch free and in good condition.
This is a 7 element, meter coupled, extremely high quality converter. It is virtually as new. No use evident at all. It is in very good condition. It has, at one time, had Velcro stuck to the exterior to facilitate the use of a bounce card.