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By way of digital display,this instrument can measure lens dioptre directly and accurately with clear readings.It is reliable,easy to operate and convenient to use.Through correcting the center of light point by compensation prism,it can measure the lens and glasses.It is an indispensable ideal measuring instrument to glasses producers,glasses stores as well as ophthalmic hospitals. |
1.Eyepiece focusing range:±5D
2.The top point dioptre measuring range:-20D~+20D
3.The minimum measuring square value:0.01D
4.The shuttle lens measuring range:10△
5.The shuttle lens square value:1△
6.The cylinder lens axial range:0-180°
7.The cylinder lens axial square value:1°
8.The maximum diameter of the measured lenses:100mm
9.The lighting(AC):220v/110v-6v
