flexible collodion

例句：

1. 1. This new camera uses a flexible collodion lens that allows for close-up shots.
   这款新相机使用了可伸缩胶片镜头，可以实现近距离拍摄。
2. 2.The flexible collodion was used to coat the surface of the glass in order to make it more transparent.
   使用可伸缩胶片来涂覆玻璃表面，使其更加透明。
3. 3. The flexible collodion was also used as a protective coating on the metal parts of the machine.
   可伸缩胶片还被用作机器金属部件的保护涂层。