 - Nikon MM-22- Manufacturer: Nikon
- Model: MM-22
 - Measurement range: 50: 50 mm (rotating table), binoculars, objective: X 3, eyepiece: X 10, 2 axis digital Hitachi, Japan

Measurement range: 50: 50 mm (rotating table), binoculars, objective: X 3, eyepiece: X 10, 2 axis digital