| 396 / | HD | PHOTOGRAPHY | 
| FOR 842 | DF | CAMERA DETAILS (354/202) {10} | 
| FOR 866 | DF | .~ Shutter (354/226) {10} | 
| FOR 868 |  | .~.~ Having diaphragm (354/228) {4} | 
| FOR 869 | DF | .~.~.~> Plural apertured diaphragm (354/229) | 
| FOR 870 | DF | .~.~.~> Shutter and diaphragm formed by the same pivoted or sliding plates (354/230) | 
| FOR 871 | DF | .~.~.~> Including coupled shutter and diaphragm (354/231) | 
| FOR 872 | DF | .~.~.~> Diaphragm opens for focusing or viewing (354/232) |