Hollis M3 Black Dive Mask Mountain Biking 0 to 3 - Visible

0 to 3 - Visible Light Transmission rate: 87% - 15%)

When applied to the inside surface of an eyewear lens

Tonic makes each lens Optically Decentred which is important for viewing true depth and true distance

» Fits Small to Large Faces

2% (Category 3)

Hollis M3 Black Dive Mask Mountain Biking 0 to 3 - VisibleHollis M3 Dive Mask Lens Options. Single Vision Prescription Lenses Gauge Reader Prescription Lenses 35mm Bifocal Prescription Lenses Franklin Bifocal Prescription Lenses Single Vision Lenses Single Vision Lenses have a single focal point for distance vision and can be made for a wide range of prescriptions including high prism and high cylinder powers. Single Vision lenses are made from optical crown glass for optimum optics and also available in