| 摘要 |
<p>The film magazine and camera back unit for reprographic camera comprises feed and take up film spools together with focussing screen and calibrated adjustments. The camera rear wall has a film feed spool chamber and take up spool chamber. A sliding platform carrier, a focussing screen, and adjustment and scale for use with the screen and for moving the masking plate, which is adjusted by the tooth and gear wheel double drive, in the picture area.</p> |
