Prismatic Power Range: 0--5 prism diopters, 1^ graduations

          Eyepiece Adjustment: ?D

          Measured Lens Diameter: Diam. 10mm -- Diam. 90mm

          Dimensions: 310mmX150mmX410mm

          Weight: 8Kg

          Lamp: 220V 15W or 110V 15W

  QY-III LENSMETER           

          Ranges of Measurement: 0 to ?0D

          Minimum Scale Value: 

                  0.125D graduations up to ?D and 0.25D graduations over ?D--?0D

          Cylinder Axis Range: 0--180?step 5?/font>

          Prismatic Power Range: 0--5 prism diopters, 1^ graduations

          Eyepiece Adjustment: ?D

          Measured Lens Diameter: Diam. 10mm -- Diam. 85mm

          Dimensions: 150mmX185mmX325mm

          Weight: 4.5Kg

          Lamp: 220V 15W