• Outer reading, ±25D measurement
• Wide field of vision observation
• Compensation Prism Available
• AC/DC
Description
Ranges of Measurement 0 to ±25D
Minimum Outer Reading 0.125D
Inner Reading 0.125D graduation up 0 to ±5D And 0.25D graduations over±5D to ±25D
Digital 0.01D
Cylinder Axis Range 0~180°
Prismatic Power Range 0~5Δ prism diopters1Δ graduations with prism compensation device 0~20Δ prism diopters,1Δgraduations
Prismatic Base Angle 0~180°
Eyepiece Adjustment ±5D
Dimension of Objective Lens Φ16~Φ86mm
Overall Size 275×120×430mm
Weight 4kg
Lighting Bulb ~220V/-3V 3W or ~110V/-3V 3W