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Fresnel lenses for automotive light guides

  • Automatic start-up system for windscreen wipers

fresnel lense for automotive industry

This component combines several mechanical functions in a single part.


It is injection moulded in high temperature optical quality PMMA. A 2-cavity mould was produced, then a 4-cavity tool with hot block injection.


Quality level: 35 µm form faults and roughness ≤ 10 ηm.


  • Rear signalling

fresnel lens for for lights rear of cars

The parts are injection moulded in PC in a 4 cavity tool.


The grooves have a pitch of 0.75 mm and angles varying from 40° to 89°. Angles are square tooth root angles.


Quality level: The radius at tooth tip is ≤ 50 µm, roughness is ≤ à 10 ηm.