| 摘要 |
A lens-fitted photo film unit with a flash device is preloaded with a photo film having ISO sensitivity of 1600 or above. When a non-flash night view photography mode is selected by operating an operation member, an aperture stop device switches in a large aperture state and a shutter device switches to slow shutter speed, and the flash device is turned off. Owing to this, an appropriate exposure can be given to a subject whose exposure value is less than 8 at ISO 100, which enables to obtain pictures having high image quality in terms of describing the depth of the image, without use of the flashlight in dim places such as indoors. When a daylight photography mode is selected, it provides small aperture state/fast shutter speed/flash-off state. When a nighttime synch photography mode is selected, it provides large aperture state/slow shutter speed/flash-on state.
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