Bausch and Lomb Model 70 Lensometer
Bausch and Lomb model 70 Lensometer measures sphere, cylinder and prism power. Located axis and prism base. Marks lens for cutting and edging. Measures finished glasses for prescription and vertical prism differences with adjustable lens table. More sensitive target. Built-in solid state electronic light intensifier for checking absorptive lenses. Easy to use, fast precise.