| 摘要 |
PURPOSE:To eliminate mis-operations occurring in the mis-matching of a picture frame and the rate of film feed by providing mans of detecting the matching between both. CONSTITUTION:A feed mechanism for 35-mm. size films is provided to a film pack 12 of a camera having feed mechanisms 3-10 for brownie size films to make the 35-mm. films usable. The rate of feed is changed with a change lever 29 for the rate of feed of film, and the picture size is made changeable if the picture frame is changed. A lever interlocking to the change lever is made insertable into the notch provided to the picture frame. The film pack is mountable only when the rate of feed and the picture frame are for the same picture size; therefore, the mis-operations owing to the dissidence of both are prevented. |
