光学材质：N-BK7
工作波长：350 nm-2.0 μm（未镀膜）
用途：成像、扩束或缩束
工作波长：400 nm-700 nm（增透膜）
用途：成像、扩束
工作波长：700 nm-1100 nm（增透膜）
光学材质：N-SF11
工作波长：420 nm-2.3 μm（未镀膜）
光学材质：CaF2
工作波长：200 nm-8.0 μm
用途：成像，扩束
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