PRODUCT DESCRIPTION 
Optics
It has nine elements in eight groups.
All-spherical.
Internal focus.
 
Diaphragm
It has a nice, curved nine-bladed diaphragm that gives a circular, not polygonal, opening from f/1.4 through about f/5.6. It stops down to f/16.
Close-Focus
Close focus is three feet or 0.85m.
 
Filter Thread
77mm, metal.
Never moves.
Size
3.1" (79mm) diameter by 2.9" (74mm) long
Weight
20 oz. (560 g). 
Hood
HN-31  
AF-Manual Selector
There is an AF/MF selection ring on the lens barrel, just like the other AF Nikkor lenses of similar vintage and quality.
Product ($899)
SN: **3298
Condition: Excellent
Warranty: 2 weeks shop warranty, covering manufactural defects 
What You Will Get 
- Front Cap
- Rear Cap