Product description:
External Reading Lensmeter SML-II - INS-11031
Dimensions: 15 x 8 x 21 in / 38 x 20 x 53 cm
Weight: 13 lb / 6 kg
Specifications:
- Range of measurement: 0D to ±20D
Minimum: 0.125D graduation up 0D to ±5D 0.25D graduation over ±5D to ±25D
- Cylinder axis range: 0~180° step 1°
- Prismatic power range:
Prism diopter of pattern A: 0-5 prism diopters,1? graduations
Prism diopter of pattern B: 0-20? prism diopters,1? graduations (with prism compensation device)
- Prism base angle: 0 to 180 degree,minimum scale value 1 degree 180 degree to 360 degree Minimum scale value 5 degree
- Eyepiece adjustment: ±5D
- Dimension of objective lens: F16 ~ F80MM
- Lighting bulb: 6V / 2A 12W
- Bi-Voltage AC 100V 60hz/220V 50hz