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Manual Lensometer – CT4221

Features

Manual Lensometer – CT4221 Features:
  • Range of diopter measurement from 0 to ±20D
  • Minimum scale: 0.125D at 0 to ±D, 0.25D at ±5D to ±20D
  • Astigmatism axis of cylindric lens: 0 to 180°, minimum scale value: 5°
 

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