| |||
| circular orifice | |||
| phase diaphragm; disk diaphragm (annular aperture) | |||
| annular ring diaphragm; annular stop (aperture) | |||
| annular diaphragm; annular stop | |||
|
Ringblende : 3 phrases in 1 subject |
| Construction | 3 |
| |||
| circular orifice | |||
| phase diaphragm; disk diaphragm (annular aperture) | |||
| annular ring diaphragm; annular stop (aperture) | |||
| annular diaphragm; annular stop | |||
|
Ringblende : 3 phrases in 1 subject |
| Construction | 3 |