| 396 / | HD | PHOTOGRAPHY | 
| FOR 842 | DF | CAMERA DETAILS (354/202) {10} | 
| FOR 847 |  | .~ Double exposure prevention (354/207) {2} | 
| FOR 848 | DF | .~.~> Foldable, collapsible, or extensible camera structure (354/208) | 
| FOR 849 | DF | .~.~> Having manual override (i.e., permits double exposure) (354/209) |