| 摘要 |
In response to an exposure start instructing operation by an exposure start instructing section, a mirror driving section raises a quick return mirror. After that, a shake detecting/computing section detects and computes a shake state, and an exposure start determining section determines, on the basis of the output of the shake detecting/computing section, whether or not the start of exposure should be allowed. If exposure is allowed by the exposure start determining section, a shutter unit is driven to actually start exposure. Information concerning time from the completion of the mirror driving operation of the mirror driving section to the start of the operation of the shake detecting/computing section or to that of the exposure start determining section is stored in an operation period information storage. Accordingly, the shake detecting/computing section or the exposure start determining section starts to operate in accordance with the stored information, thereby executing the above-described processing.
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