399 / | HD | ELECTROPHOTOGRAPHY |
130 | DF | IMAGE FORMATION {30} |
177 | DF | .~ Exposure {15} |
196 | .~.~ Variable magnification {4} | |
197 | DF | .~.~.~> Having calculation |
198 | DF | .~.~.~> Exposure adjustment |
199 | DF | .~.~.~> Additional lens |
200 | DF | .~.~.~> Having scanning modification {2} |