Risley Rotary Prism
Risley Rotary Prism
Or please call FAISAL: 079 242 2817 or AHMED: 082 414 1472
Description
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Large aperture (1"/23 mm) rotating prisms permit more flexibility compared to your Phoropter. Two versions are offered: +/-20 PD or +/-30 PD with handles.
The prisms are controlled with a convenient knurled rotating knob. Accurately calibrated dial shows prism diopter selected and rotates through 30 PD right-exo to 30 PD left-eso.
20 PD . . . . . . . . . . . . . . . . . . . . . . . .467300
30 PD . . . . . . . . . . . . . . . . . . . . . . . .467400
