HUALONG-50ST is a kind of special projector, which amplifies and projects the U or V-shaped profilesof the measured parts to the screen to check their profiles and shapes with high accuracy utilizing the optical projection method. It is widely used to check the U and V-shaped notch impact specimewith the features of easy operation, simple structure, direct inspection and high efficiency.
Magnifications: 50XO; bjective magnification: 2.5X
Projection objective magnification: 2.5X ; Eye-field diameter: 3mm
Working distance: 22.89mm; Light source: tungsten lamp 12v10W