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optical systems | |||
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optical system | |||
optical train | |||
lens system; battery (of lenses and prisms) | |||
optic system |
optische Systeme : 67 phrases in 10 subjects |
Communications | 3 |
Cultural studies | 2 |
Earth sciences | 1 |
General | 1 |
Industry | 1 |
Information technology | 3 |
Microelectronics | 2 |
Optics branch of physics | 51 |
Physics | 2 |
Video recording | 1 |