Ok there seems to be some confusion on MF lenses...that I said above...
These are all Manual Focus (or MF) lenses...time frame of construction is from 1977 to 1989 depending on the lens...they are very sharp...but you have to do the focusing...
Thank you and sorry about the confusion....(this was my fault.. )
It's a great lens at a great price, given its stated condition. I almost bought it, but decided to go with a 500 P, which is a little lighter and chipped. Good luck with your sale!