EN207 is an international testing standard used to evaluate the protective performance of laser safety eyewear. This standard verifies that laser filters can withstand exposure to laser radiation under defined conditions.

The markings associated with this standard are known as L-ratings. These ratings describe the level of laser attenuation provided at specific wavelengths.

Letters within the rating represent different types of laser exposure, including pulsed and continuous wave lasers. The number in the rating indicates the level of protection.

These markings are usually printed on the lens or frame of laser safety glasses.

Understanding EN207 ratings helps users confirm that protective eyewear is suitable for the laser system being used.