Nikkor-M 450mm f/9 lens, covers 4x5 8x10 and up to 11x14.  This lens is in beautiful condition, lightly shot since new.

The glass is free of scratches/haze/fungus/separation.  The barrel is very clean and free of dent/dings.

The Copal #3 shutter has been inspected on shutter tester and is working properly at all speeds.  The aperture is smooth and free of oil, lens opens and closes smoothly, very nice.

A great example of legendary Nikkor 450mm lens, includes original front/rear lens caps and lens board spacer + retaining ring.