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Bi-direction type autofocus actuator

Bi-direction type autofocus actuator

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By eeNews Europe



The ATMJ1Z7 Series is available in two types, supporting large lenses with a diameter of either 7.05mm (for 16-megapixel resolution) or 8.0mm (for 20-megapixel resolution).

Whereas existing lens-drive actuators are preload types, driving the lens in only one given direction (uni-directionally) using a positive current, the ATMJ1Z7 Series sets the initial position of the lens at a frequently used focal distance (position) and adjusts focus by moving the lens from that point in one direction or the other (bi-directionally) depending on whether the current is positive or negative. This shortens the distance the lens has to travel, thereby lowering the amount of power required to move the lens.

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