Professional Manual Lens Meter - Optical Focal Meter with External Reading System for Optometry - AC/DC Power - USA Shipping - Perfect for Eye Clinics, Optical Shops & Optometrists

We are a PEVOR. based optical supplier carrying a full line of high quality products. Eyepiece focusing range: ±5 DThe vertex refraction measurement range: -20D ˜ +20 DThe minimum measurement grid: 0.12DThe prism measuring range: 5ΔThe prism grid value: 1ΔThe prism axis range: 1--180ºPrism grid value: 1ºThe exchange: 110V - 6V, DC:3V Features Compact design with coverEasy to carryLong working life Usages 1.This type lens tester is used to test the lens of the lens, the prism of the refraction, cylindrical axis, prism and prism baseline direction, and to the optical center of the lens, cylinder axis and cylinder base direction Print marks.2.And a compensating prism can correct the center of the spot, the lens and the mirror can be measured, is the glasses manufacturers, shops, ophthalmology ideal measuring instrument. Details Picture