We will be exhibiting at the 2022 Xiamen International Optics Fari, where we will showcase our latest color of photochromic dyes for lens applications. #photochromiclens #lens #photochromic
Normally, how do you think the thermochromic pigment changes color? There may be some people who think from the...
How to choose correct type of Photochromic dye for color change lens ?