Compact Computerized Lensometer

Modern Design with Ease-of-Use

The CL-300 combines innovative, digital lens measurement technology with fast and easy operation. It is equipped with a large LCD monitor, a green light beam and a UV transmission measurement function that allow you to precisely measure a wide range of different lens materials and designs.

Key Features

  • EASY OPERATION – 5.7-inch color LCD touchscreen allows for fast and easy lens measurement.
  • PRECISE  Integrated green light beam accurately determines the power of a wide range of lens designs.
  • PATIENT EDUCATION TOOL – Perform UV transmission measurements to educate patients on the UV transmittance of their eyeglasses or sunglasses.
  • CONTACT LENS MEASUREMENT – Contact lenses can be easily measured using the CL-300 lens support and ring accessories that come standard with the instrument.

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Measurement Range

Sphere: 0 to ±25 D (0.01/0.12/0.25D steps)
Cylinder: 0 to ±10 D (0.01/0.12/0.25D steps)
Axis: 0 to 180°(1° step)
Addition: 0 to ±10 D (0.01/0.12/0.25D steps)
Prism: 0 to 10Δ

Cylinder Mode

MIX / – / +

Prism Mode

X-Y (Orthogonal Coordinates), P-B (Polar Coordinates), No Display

UV Transmittance

0 ~ 100% (1% / 5% steps)

Lens Detection

AUTO for single & progressive lenses

Contact Lens Measurement

Hard / Soft contact lens

Light Source

Refractive Measurement: Green LED 540±5nm
UV Measurement: UV LED 365±5nm

Wavelength Criterion

e-line/d-line with ABBE compensation

Lens Diameter

Ø 5 to 100 mm


5.7 inch color touch screen

PD Measurement Range


External Interface

RS-232C, LAN (*CL-300PDL model only)

Power Supply

100-240V / 50/60Hz 1.2A (AC Adapter), AUTO power save


197(W) X 220(D) X404(H) mm



CL-300 Brochure