Nikon 135mm f2 DC.. Purchased this lens used as I've always wanted it for years and finally got one from MPB Photographic UK as mint condition. On arrival, it looks like new,
Nikon 135mm f/2 DC Review by Ken Rockwell
Repair: Nikkor 135mm f/2.8 Ai-S | Richard Haw's Classic Nikon Repair and Review