POSITANO
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FrameMatte Tortoise
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LensMineral Polarized 555nm Cat 3 to 3
Key Features
Lens
- Photochromic
- Polarized
- Spectral Control
Frame
555nm®
Category 3 to 3 in mineral lens.
Category 2 to 3 in PhD™ 2.0 lens.
Very bright light conditions.
The non-polarized lens is ideal for Driving and Everyday use.
The polarized lens is ideal for boating activities.
Available in non-polarized and polarized ultra-light mineral and PhD™ 2.0 lenses.
Absorbs 79% to 92% of the visible light, according to the lens.
Blocks 88% to 96% of the blue light, according to the lens.
555 nanometers marks the center of light’s visible color spectrum, right on the border of yellow and green. This is where the human eye sees best. In low light conditions, this lens allows more yellow and green to pass through, creating relaxing conditions for the eyes, while the light silver metallized mirror coating (available only on mineral lens) reflects glare.
ULTRA MINERAL LENS
EXPERIENCE THE ULTIMATE LENS ON THE MARKET
Our mineral lenses are made with borosilicate optical glass, from Corning®.
A full 20% thinner and lighter, our Borosilicate mineral glass lenses are finer than any other lens. Produced in the same process normally reserved for ophthalmic-quality corrective lenses, they provide the best visual acuity you could ever experience.
Every pair of Serengeti® mineral lenses is unique: each Photochromic lens passes through a Hydrogen-fueled Lehr furnace, which activates the Spectral Control® technology - with varying temperatures that determine the proprietary lens hue.
They are also chemically tempered to ensure scratch and impact resistance.
To complete this unrivalled visual experience, an anti-reflective coating is added to the backside of the lens, canceling the scattering light that causes reflective glare.
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