The new AR (anti-reflective) irises from Centra are an advance in the glass filters contained in their irises The filters are UV-400 filters designed to eliminate the UV radiation that is perceived as glare Another important quality improvement is the super anti-reflection coating AR with clean coat This treatment improves light transmission significantly by up to 8% and prevents reflections 10x filter colours: ace amethyst, 4 grey levels, yellow, peach, red, green, brown Also, the Super AR II contains a polariser filter
