9506 Photochromic Sunglasses with Blue Light Darkening Large UV [OTC.web] Blocking, Lenses, Men's, Size, Stylish, Cool, Protection, (C-1 Black, Blue)

These are photochromic lenses that change tint depending on the amount of light. They become lighter indoors or at night (approximately 10% tint), medium tint inside a car (approximately 50% tint), and darker outdoors or in bright sunlight (maximum tint of approximately 90%). They also offer blue light filtering, blocking approximately 35% of blue light on average. These are stylish and cool color-changing sunglasses in a large size, designed for men. The temple ends are made of rubber for enhanced comfort and fit. Inside a car, the lenses will have a moderate tint (approximately 40-50% density) *they will not become completely dark. Car windshields have UV protection. Ordinary photochromic lenses change color in response to ultraviolet light, so they are not effective inside a car. ARTtypeEX lenses react to visible light, so they can be used inside a car. Outdoors, the lenses will have a dark tint (80-90% density). Ordinary photochromic lenses are easily affected by temperature changes, and will not darken as easily in high temperatures. ARTtypeEX lenses have a much higher tint density compared to ordinary photochromic lenses, and will perform well even in high-temperature environments. A lens cleaning cloth and folding case are included as a service. Lens size: approximately 56mm wide x 32mm high; bridge width: approximately 16mm; temple length: approximately 140mm; overall width: approximately 145mm; frame weight: 15g. The frame is made of medical-grade resin, making it flexible, lightweight, and durable. Assembly is done domestically in Japan. Temple size: 56□16-140 Visible light dimming data GRAY Maximum change in density 93% No UV light Transmittance approximately 87% When UV irradiation is at its maximum, 23℃ → density approximately 93% 35℃ → density approximately 85% When UV irradiation is stopped, the density returns to 30% in approximately 13 minutes *at 23℃ Visible light dimming data BROWN Maximum change in density 90% No UV light Transmittance approximately 89% When UV irradiation is at its maximum, 23℃ → density approximately 90% 35℃ → density approximately 80% When UV irradiation is stopped, the density returns to 30% in about 12 minutes *at 23℃ These are photochromic lenses that change tint depending on the amount of light. They become lighter indoors or at night (approximately 10% tint), medium tint inside a car (approximately 50% tint), and darker outdoors or in bright sunlight (maximum tint of approximately 90%). They also offer blue light filtering, blocking approximately 35% of blue light on average. These are stylish and cool color-changing sunglasses in a large size, designed for men. The temple ends are made of rubber for enhanced comfort and fit.