| 359 / | HD | OPTICS: SYSTEMS (INCLUDING COMMUNICATION) AND ELEMENTS |
| 642 | DF | LENS {32} |
| 676 | DF | .~ With variable magnification (e.g., zoom type ) {6} |
| 694 | DF | .~.~ Adjusting mechanism {6} |
| 705 | DF | .~.~.~ With macro type focusing {1} |
| 706 | | .~.~.~.~ With specific ring means |