Single Dioptre Steps from +9 to -10 allow precision changes to lens power.
A secondary Auxiliary Lens Wheel allows secondary lenses to provide +/-20 jumps in Dioptre lens power.
Additional Glaucoma graticule provides improved diagnostic capabilities.
Available with a 2.8V or 3.6V Bulb or LED Illumination.
2.8V models accept AA Batteries. 3.6V models accept rechargeable 3.6V Lithium Battery, charger sold separately.
Optical Excellence, Manufactured in the UK