| 摘要 |
PROBLEM TO BE SOLVED: To make reducible the occupied space and to make clearly displayable the switching of field frame size. SOLUTION: An upper mask 22 and a lower mask 23 for trimming which can be inserted in and retreated from the upper part of a normal size mask 21 for giving finder field are disposed in this device. When the masks 22 and 23 are inserted in the upper part of the mask 21, the finder field is switched to a laterally long size. A transparent sheet 41 having a display part 'PANO RAMA' 41a is fixed on the mask 22, whereby the display part 'PANORAMA' 41a is displayed as display within a finder in a laterally long size state.
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