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Dual LensMapper (type DLM)

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Sharp and accurate measurement of Free Form lenses 

The A&R DUAL LENSMAPPER is the perfect tool to achieve a very high optical quality control of your free form lenses:

  • immediate accurate error map calculation according to the reference marks
  • process control
  • check of front curve of semi-finished lenses.

The DUAL LENSMAPPER combines two optical technologies (Reflection and Transmission) for a fast, accurate and automatic measurement.

It is the only mapping instrument that takes into account the effect of the lens position and tilt in the calculation of the theoretical power. This leads to a meaningful error map which is not affected by those parameters.

The measurement principles are simple and mastered leading to an accurate mathematical model for the calculation of the error map.

A single camera is used for every operation ensuring a perfect matching between the reflection and transmission measurements.

Benefits

  • Measurement without contact
  • No destructive control, no blackening, no lens preparation
  • Quick measurement
  • Automatic and accurate detection of the reference marks with the A&R PPOS technology
  • Connectable to server data’s of major equipment lens manufacturers
  • Easy calibration
  • User-friendly
  • No moving part during measurement
  • Not dust sensitive

Technical information

  • Outputs: values, maps and profiles in term of SPH, DPT, CYL, CYL AXIS
  • Through power range: -10D to 10D
  • Convex surface power range: +1D to +10D (index 1.525)
  • Concave surface power range: -3D to -12D (index 1.525)
  • Measurement area = 35x40 mm for the through power, 30x35 mm for the front power (a wider area is possible by the stitching of multiple measurements)
  • Lens positioning according to reference marks: <0.15 mm for classical configurations
  • Organic materials
  • Calibration of the instrument via 4 calibration lenses (provided)
  • Measurement time: less than 8 seconds
  • Instrument size: H991xL282xI600mm
  • Net weight : 48 Kg

Prospectus

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We are partner for :
Control, Digital Inking, Pad printing, Blocking, Engraving, Packaging, Sorting, Logistics of your lenses.

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