Damaged Nikkor 20mm f/4.0 AI

Damaged Nikkor 20mm f/4.0 AI

My badly damaged Nikkor 20mm f/4.0 AI. Note the scratches in the front element; several are gouges deep enough to catch a thumbnail on. (Daniel J. Schneider)

My badly damaged Nikkor 20mm f/4.0 AI. Note the scratches in the front element; several are gouges deep enough to catch a thumbnail on. (Daniel J. Schneider)