The Professor
Walnut & Antique Silver
- Delivery: 3 - 7 workdays
- Free shipping with tracking number to Canada Our CA customers enjoy free delivery without any import duties or taxes! Learn more>
- 24 months warranty If you find a defect in your model, please contact our customer support and we’ll find the best solution for you. Learn more>
- Extended refund period until January 31, 2025 You can return your model within the extended return period until January 31, 2025. Learn more >
- No after-sale duties or taxes for Canadian customers
DESCRIPTION
When the professor begins to talk, everyone listens - the stories of his research are simply so exciting. He lets us share his ideas and is happy to pass on his knowledge. Our model made from stainless steel equally captivates everyone’s attention!
- clever, wise, judicious, brilliant -
Technical details
Frame material: High-quality 316L stainless steel in antique silver
Temple material: Genuine walnut wood and stainless steel in antique silver
Lenses: TAC-glass in gray; polarized and with UV 400 protection, light-filter category 3; 46x56mm (HxW)
Size: 142x135x46mm (Frame width x Temple length x Lens height); Bridge
CE-Certified: guaranteed UV protection according to European standards
Core Features
Polarised Glass
Polarized glasses capture light reflections within your field of sight and provide for clearer vision. Light that reaches the eye is dulled and therefore much less blinding. A person’s sight is substantially clearer and sharper. The perception of colors is also improved. Ideal for sunny days in nature ;)
UV 400
Whether you’re on the beach, in the city or snowboarding on the mountain tops, with your Holzkern sunglasses you are always optimally protected. Sunglasses with UV 400 protection prevent all UV rays with wavelengths between 280 to 400 nanometers from reaching your eyes. With these kinds of sunglasses, all ultraviolet A, B and C rays that are dangerous for the eye are blocked.
TAC Lenses
An additional feature that adds even more quality to our sunglasses is the polarized TAC lenses. TAC is short for “Triacetate Cellulose” and it describes an incredibly lightweight and robust material that can be used on the lenses as well as the frame. It is composed of 7 layers and its production is particularly compley, because the original material consists mainly of cotton or beech tree wood.
Anti-Reflective Coating (AR Coating)
The anti-reflective coating of our glasses reduces the visible light for the eye and provides protection against glare. The glare-protection factor is divided into different categories and glasses are conceptualized for particular light circumstances. The calculation for the respective category can be found on the inside of the glasses. A glare-protection factor of 3 (out of 4) comes with this model, meaning it has a transparency of 8 to 18 percent, and the sunglasses are very well suited for sunny regions, bright water surfaces, the beach and the mountains.
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