| 摘要 |
An automatic lens focusing system according to the present invention includes an adjustable focus lens having a driver for focusing the lens on a photographic subject, a lens position detecting device to detect a focus position of the lens, a distance detecting device to detect a subject distance from the lens and generate a range signal representation of the range to the photographic subject, automatic actuating device responsive to the range signal for activating the driver to adjust the position of the lens to focus on the photographic subject, an indicating device responsive to the range signal for activating a first indicator indicative of the focal point of the subject and responsive to the lens setting for activating a second indicator indicative of the range setting of the lens, a manual actuator responsive to a manual input to for activating the driver to focus the lens, and a switching device to switch between the automatic mode and the manual mode.
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