| 396 / | HD | PHOTOGRAPHY |
| 89 | DF | WITH EXPOSURE OBJECTIVE FOCUSING MEANS, FOCUSING AID, OR RANGEFINDING MEANS {28} |
| 111 | ![]() | .~ Optical detail with photoelement system {8} |
| 112 | DF | .~.~> Double wedge prism |
| 113 | DF | .~.~> Microprism or lenslet |
| 114 | DF | .~.~> Dual reimage lens type |
| 115 | DF | .~.~> Photosensor area with unique edge pattern |
| 116 | DF | .~.~> Scanning type {1} |
| 118 | DF | .~.~> Moving photocell |
| 119 | DF | .~.~> Photoelements with different optical path lengths |
| 120 | DF | .~.~> With Position Sensitive Device (PSD) |