凤凰光学(600071.SH)：棱镜和透镜等产品主要应用于成像光学，可用于光通信相关领域的比例很小

Group 1 - The core viewpoint of the article is that Phoenix Optical (600071.SH) has clarified the application scope of its products, indicating that the use of prisms and lenses in optical imaging for optical communication is minimal [1] Group 2 - The company's products, including prisms and lenses, are primarily utilized in imaging optics [1] - The proportion of these products used in optical communication-related fields is very small [1]