In article
>I've found a Nikon 500/f8 mirror lense for $399. It's about 20 years >old (so the salesman says) and externally looks to be in very good >shape. When I look at the mirror I can see what looks like the silver >has come off or is discolored in a rough, approximatley 1/8" band >around the edge. All other glass is in very good condition. Will
>this discoloration of the silver at the outside edge affect the image >quality and is this a fair price for a 500/f8? How does the picture >quality of this old version compare to the $780 newer one?
The price seems a little high, especially in view of the condition
(I don't know if the mirror discoloration will noticeably affect
image quality, but it would worry me....). I prefer the older
version to the newer 500mm f8 Nikkor, especially near infinity focus.
Hope This Helps