The LG-628 laser safety glasses are specifically used to cut out 445 nm blue lasers while letting the 532nm green beam through which are often used for alignment purposes.
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Specifications
Protection (Wavelengths & Optical Densities) - Marked on Glasses
Display Wavelength (nm) / OD
190-450 6+>450-460 5+
VLT
73%CE Rating
190-315 D LB8 + IR LB4>315-460 DIR LB5
