A wide viewfield and a high eyepoint eyepiece enable easy examination
Improved internal reading system assures easy measurement
Green filter enables high-precision measurement
Cross-line pinhole type target enables accurate measurement
Lightweight, space saving
Prism compensator increases prismatic power reading
Measurement range: ±25D vertex power in 0.125 steps up to ±3D and 0.25 steps beyond ±3D, 0 to 180° axis in 1°steps, 5? prism in a viewfield, 20? with a compensator in 1? steps, 30-90mm lens diameter in 2mm steps
Cross-line pinhole type target with tilting angle from 30°~90° with eyepiece focusing to±6D