Patent ID: 11906894
Assignee: OLYMPUS CORPORATION
Field: Optics (Instruments)
Classification: CPC G  H | IPC G  H

Claim 3:
4. The lens control device of claim 1, further comprising:
a third stepping motor that drives a second zoom lens contained in the photographing lens; and wherein
there is a period in which at least one of the first stepping motor, second stepping motor, and third stepping motor are driven at a constant rate,
in order to make a time, required to move by a specified number of drive pulses in a period in which the zoom lens, the focus lens and the second zoom lens are driven at a constant rate, match a predetermined time, the period in which there is drive at the constant rate is divided into a plurality of periods, and one of two drive times on either side of the average time, that are different from each other by the control unit time, is set.