SUP22C聚焦镜片的安装（中英）

注意：

be careful:

1.更换时请注意现场环境，建议使用密封胶带防护更换

Please pay attention to the on-site environment during replacement, and it is recommended to use sealing tape for protection and replacement

2.聚焦凸面朝下（即安装后朝向保护镜方向）

2. Focusing convex face downward (i.e., facing the direction of the protective mirror after installation)

3.聚焦镜密封圈为：26*34*2.7

3. Focusing mirror sealing ring: 26 * 34 * 2.7

4.默认的聚焦镜规格为：D20*3.5 F800

4. The default focus lens specification is:   D20 * 3.5 F800