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New SWANS Airless Wave Sports Sunglasses Photochromic Lens Model that Ch !

New SWANS Airless Wave Sports Sunglasses Photochromic Lens Model that Ch !

Regular price ¥28,200
Regular price Sale price ¥28,200
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Body only Matte titanium silver x metallic navy / Dimmable clear to smoke / Height 3.7 cm Width 14.5 cm / AMZ-SA-522_MTSIL Style: Body only Color: Matte titanium silver x metallic navy / Dimmable clear to smoke
・Frame color: Matte titanium silver x metallic navy Lens color: Photochromic clear to smoke
・Visible light transmittance: 84-17% Can be used on sunny days and at night: Varies depending on UV rays
・UV transmittance: 0.1%or less (UV cut rate 99.9%or more)
・Size: Height 3.7㎝ Width 14.5
[Product Introduction] A lightweight sports type with a slim frame that is resistant to twisting and has an excellent holding feeling. The front frame creates a fit and sporty look providing a moderate holding feeling. Although it is lightweight it is designed to not slip easily so it is ideal not only for sports but also for long-term use such as driving. [Brand Introduction] SWANS is a domestic brand produced by Yamamoto Kogaku Co. Ltd. founded in 1911. Based on Japanese head data the product design is suitable for Japanese people and the technology to control light cultivated over more than 100 years of history has led to the products being supported by many top athletes both domestically and internationally. [What is visible light transmittance] The amount of light that passes through the lens is expressed as a number. It is displayed from 0% to 100% with the state of the naked eye being 100%. The lower the number the darker the lens is which does not pass light. [What is polycarbonate] The polycarbonate used in SWANS sunglasses is a resin with excellent impact resistance and transparency and is also used in aircraft windshields and space suit helmets. It is highly impact resistant and does not shatter easily and even if it does break it will not shatter making it a very safe lens material for sports sunglasses. SWANS uses a unique scratch-resistant lens called Petroid Lens based on this polycarbonate. [What is a photochromic lens] A lens that automatically changes color from clear to gray when exposed to ultraviolet rays. At night or indoors it becomes a transparent lens. Long-term use scenes A lens function that is convenient for commuting by mountain climbing cycling or bicycle.
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