About
Large aperture (1"/23mm) rotating Prisms permit more flexibility compared to your Phoropter. Version +/- 30 PD with handles. The Prisms are controlled with a convenient knurled rotating knob. Accurately calibrated dial shows prism diopter selected and rotates thru 30 PD right-exo to 30 PD left-eso.
Large aperture (1"/23mm) rotating Prisms permit more flexibility compared to your Phoropter. Version +/- 30 PD with handles. The Prisms are controlled with a convenient knurled rotating knob. Accurately calibrated dial shows prism diopter selected and rotates thru 30 PD right-exo to 30 PD left-eso.
Resources & Downloads
Prism: Risley Rotary - 30PD
SKU: Z-467400
About
Large aperture (1"/23mm) rotating Prisms permit more flexibility compared to your Phoropter. Version +/- 30 PD with handles. The Prisms are controlled with a convenient knurled rotating knob. Accurately calibrated dial shows prism diopter selected and rotates thru 30 PD right-exo to 30 PD left-eso.
Large aperture (1"/23mm) rotating Prisms permit more flexibility compared to your Phoropter. Version +/- 30 PD with handles. The Prisms are controlled with a convenient knurled rotating knob. Accurately calibrated dial shows prism diopter selected and rotates thru 30 PD right-exo to 30 PD left-eso.
