Internal Reading GJD-1 Manual Optical Lensmeter
Features:
1. Outer reading Lensmeter
2. ±25D measurement
3. Wide field of vision observation
Specifications:
Ranges of Measurement0 to ±25DMinimumOuter Reading:0.125DInner Reading:0.125D graduation up 0 to ±5D and 0.25D graduations over±5D to±25DCylinder Axis Range0-180° step 1°Primatic Power Range0-5 prism diopters, graduationswith prism compensation device 0~20 prism diopters, 1 graduationsPrism base Angle0~180°Eyepiece Adjustment±5DDimension of Objective LensΦ16~Φ86mmOverall size220x120x430mmWeight3.9kgLighting Bulb~220V/-3V 3W or ~110V/-3V 3W