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aperture; focal aperture | |||
collimator portal; diaphragm portal | |||
diaphragm aperture | |||
aperture (of an optical system: the diameter of the largest bundle of light which can traverse the system); diaphragm aperture (opening); iris aperture (opening); stop opening; lens aperture; aperture of the shutter |
Blendenöffnung : 3 phrases in 1 subject |
Optics branch of physics | 3 |