This is a glass grey lens base with an internal blue mirror, high-definition filter, and Infra-red filter.
The bluewater standard for high light conditions, a grey lens base with a blue mirror has been gamefishing’s go to lens for decades. The lens transmits colour that is close to what you see with the naked eye which makes it comfortable and excellent for long days on the water. This lens is also perfect for general wear. It makes an excellent and comfortable sailing lens plus is a calming lens for road driving with its higher levels of light transmission compared to other grey lenses in the MAKO range.