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Usages:

This device is applicable to all-level measurement testing departments, spectacles manufacturers, spectacles retail stores, hospital’s department of ophthalmology and optical elements factories for conducting measurement of spherical lens diopter of spectacles or lens, diopter of cylindrical lens, astigmatism axis angle of cylindrical lens, prism degree and prism basal angle.

Features:

• ±25D measurement
• Wide field of vision observation

Specifications:

• Range of Measurement：－25D~＋25D, Minimum scale value：－5D~＋5D (0.125D); 5D~－25D、＋5D~＋25D (0.25D)
• Astigmatism Axis Angle of Cylindrical Lens： 0°~180°, Minimum scale value 1°
• Prism Degree：
    Model A 0~5△, Minimum scale value 1△
    Model B (with prism compensator) 0～20△, Minimum scale value 1△
• Prism Basal Angle:
    0°~180°, Minimum scale value 1°
    180°~360°, Minimum scale value 5°
• Range of Ocular Visibility Adjustment：－5D~＋5D
• Size of Measured Lens：Φ16~Φ80mm
• Dimensions： 226mm(L)×150mm(W)×390mm(H)
• Weight：
    Model A 3.7 kg
    Model B (with prism compensator) 3.8 kg
• Lamp of Illumination：220V/110V, 15W