optical lens measure clock

Optical Lens Measure Clock
 (product code: OLMC)
  • Measure the power of an optical lens.
  • Very easy to use.
  • Refractive index: 1.49
  • Plus and minus measuring in 0.25 steps up to 20D.
  • With protective cover for measuring tips and storage box.
£32
In stock. Delivery within 2 to 5 working days.