Máy kiểm tra vị trí trục phân cực cho kính râm

Video Description:
Discover the Polarization Axis Position Tester for Sun Glasses, designed to measure the polarization direction of lenses with precision. This tester adheres to standards GB10810.3 and QB2659-2004, ensuring accurate axial deviation measurements for polarizing lenses. Perfect for motor vehicle drivers' special glasses, it features a reading dial from -15 to +15° and a sodium lamp light source for optimal performance.