

제품설명
Ocular Lensometer
Test the lens degrees:
Spherical power
Astigmatic power
Clear power
This equipment shall be installed 10.67M ( ±0.02M )
away from the end of the telescope, at the same level,
is an illuminated, optical target which the operator observes through the telescope and test sample eye protectors.
제품특징
Standard Compliance: ANSI Z87.1-2010