Filter Category:
0 - Opticals (Felix Gray Clear and Amber lenses)
1 - Light tinted lenses
2 - Tinted lenses
3 - Sunglasses (Felix Gray sun lenses)
4 - Special purpose sunglasses
Restrictions for use:
- Not for direct observation of the sun of for viewing of solar eclipses.
- Not for protection against artificial light sources (e.g. solaria)
- Not for protection against mechanical impact hazards.
- Not suitable for driving at night or in poor light conditions (for filter category 1-3)