- positive eyepiece
- positive ocular
- 正: the first month of the lunar ...
- 目镜: eyepiece; micrometer; eye le ...
- 正目标: positive goal
- 目镜: [物理学] eyepiece; micrometer; eye lens; ocular; ocular eye; ocular glass; ocular piece; sighting piece
- 接目镜，目镜: eyepiece
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