Introducing the innovative Photogray Lens, brought to you by Danyang Hann Optics Co., Ltd., the leading manufacturer and supplier of quality eyewear in China. Our factory is committed to providing the best optical solutions, and the Photogray Lens is a testament to our dedication to excellence. The Photogray Lens is designed to automatically adjust its tint based on the level of UV light, offering convenience and comfort to our customers. Whether you're indoors or outdoors, these lenses provide the perfect shade to protect your eyes from harmful UV rays while maintaining clear vision. Made with precision and advanced technology, our Photogray Lens is a must-have for anyone seeking reliable eye protection and ease of use. Say goodbye to the hassle of constantly switching between different pairs of glasses, and experience the convenience and functionality of the Photogray Lens. Trust Danyang Hann Optics Co., Ltd. as your preferred eyewear supplier, and experience the quality and innovation that sets us apart in the industry.