LM220 / LM220P Lensmeter External Reading:
This device is suitable for:
-spectacle measurement
-spectacle processing factories
-spectacle retail stores
-departments of ophthalmology in hospitals
-optical element factories
To measure diopter of:
-spherical and cylindric lens
-astigmatism axis of cylindric lens
-diopter of prism and of contact lens
Specifications:
Ranges of diopter measurement 0- +- 25D
Minimum 0.125D
Graduation up 0 to +- 5D and 0.25D
Graduations over +-5D to +- 25D
Cylinder Axis Range: 0 - 180º step 1º
Prismatic Power Range:
Prism diopter of pattern A: 0.5^ prism diopters
1^ graduations Prism diopter of pattern B: (with prism compensation device) 0-20^ prism diopters
1^ graduations Prism Base Angle 0 - 180º Minimum scale value 1º 180-360º Minimum scale value 5º Eyepiece adjustment: +- 5D
Dimension of objective lens 16mm/0.63in - 80mm/3.15in
Overall Size: 226x150x390mmq / 8.9x5.9x15.35 inches
Pattern A 4.2kg / 9.70lb
Pattern B (w/Prism compensator device) 4.3kg / 9.46 lb
Lighting Bulb 220v/110v - 15W
Prism Compensator: Optional
