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ESR-WK3 Phoropter
ESR-WK3 Phoropter
- SPHERE POWER: RANGE: +16.75 TO -19.00D STEP: 0.25D
- CYLINDER POWER: RANGE: 0.00D TO -6.00D ( 0.00D TO 8.00D WITH
- ADDITIONAL LENS OF-2.00D) STEP: 0.25D
- CYLINDER AXIS: 0 TO 180°，5°STEPS
- CROSS CYLINDER: ±25 DIOPTERS
- CROSS-CYLINDER LENS: ±0.25D
- ROTARY PRISMS: 0△ TO 20△,1△ STEPS
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