I offer this classic Vivitar Series 1 high performance lens. It is 200mm and aperture is
f3.0. It a well known lens and its optical performance is superb even wide open. It is in the
Nikon "F" Non -AI mount. It fits older Nikons F2 and earlier. The mount can be made into an AI
for around $20. The glass is clean, focus smooth. Built in sliding lens shade.
Asking $125 + shipping.