GJD-2 PORTABLE LENSOMETER

Economical basic portable lensometer

This portable lensometer offers a minimum measurement grid of 0.125D.
It is an external reading type lensometer, making it convenient and easy to use.
The prism compensation feature is optional, allowing for increased flexibility in measurements.

Eyepiece

The lensometer is equipped with a spiral focusing eyepiece, which has a focusing range of ± 5D. This feature ensures easy adjustment for all operators.

Prism Compensation (optional)

The prism compensation function is used to extend the measuring range for prisms. With this option, the prism measurement range can be increased from 0cm/m ~ 5cm/m to 0cm/m ~ 20cm/mm.

Marking Pens

The unit includes three ink feeding marking pens connected in line. The middle pen is used to set the lens center, while the connected line of marking points made by the three pens is used to demarcate the angle of astigmatism axis and the base angle of prism lenses. When the operator needs to mark the surface of the lens, they can turn and push the marking lever to quickly apply ink points onto the lens.

Specifications