Polariscope Stress Meter Lens Stress Tester Strain Meter Lens Gauge Tester (110v)
$69.00
Description
The instrument is to observe the bright and dark stripes of the lens, to understand the internal twist.To detect changes in the production of the lens during the production process because of the installation force, PC lens in the injection process of the stress surface distribution, and the crystal lens of the true and false differences.Suitable for all transparent lens and coloured lens..Can rotate the polarizer rotating disk, adjust brightness.The lens can be directly placed on the lens seat can be observed Simple and easy to use.
