Risley prism with red Maddox filter FSK-JCJ portable with metal handle and case
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Description: Hand-held Risley Prism
- Application: checking eye position, checking strabismus
- Material: metal, plastic
- Measurement range: ± 30 prism diopters (Δ PD)
- Graduation: 1 Δ
- Size: 170 * 60 mm
- Weight: about 1 kg
Description
A portable rotating prism with a large aperture, which provides greater convenience than a phoroptor. The power of the prism is adjusted with a convenient rotating knob. The precisely calibrated dial shows the selected prismatic diopter.
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