Optical Lensmeter Manual Lensometer Portable with expedite shipping
Weight 2.5kg (approx.). Tilt Angle 0 to 90 adjustable. 5 Graduation on main scale. Protractor Scale 0 degree - 180 – 0. Prism Diopter Scale 0 to 5 Prism Diopter, 1 Graduation. Graduation 0.25 D up to +/- 20 D.