| 摘要 |
PROBLEM TO BE SOLVED: To enable a photographer to hold a zoom speed constant by holding the manipulated variable of a zoom control switch, etc., constant during zoom driving. SOLUTION: This optical device or optical device drive unit, which performs preset driving control over a lens and other optical adjusting means 9 by using preset information stored in a storage means 6a, can store arbitrary preset speed information and arbitrary preset direction information in the storage means, in response to the operation of a storage indicating operation means 8 and perform speed and direction preset driving control for driving the optical adjusting means in a direction corresponding to the stored preset direction information at a speed which corresponds to the stored preset speed information.
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