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| revolving objective-holder | |||
| nosepiece; nosepiece turret | |||
| lens turret; turret of lenses; turret head (holding several lenses of different focal lengths and permitting them to be rapidly interchanged); rotating multiple nosepiece; revolving nosepiece; turreted nosepiece; quick-change nosepiece | |||
| Objektivrevolver: 2 phrases in 1 subject |
| Optics branch of physics | 2 |