| 摘要 |
PROBLEM TO BE SOLVED: To provide a zoom optical system which reduces a burden of distortion correction imposed on an optical system, realizes a wide angle of view while retaining a suitable high zooming ratio, is small-sized and secures a high image-quality performance, and to provide electronic equipment provided with the zoom optical system. SOLUTION: The zoom optical system comprises: a first lens unit having a negative refractive power; a second lens unit having a positive refractive power; and a third lens unit having a positive refractive power which are arranged in order from an object side, an interval between the lens units being changed to vary magnification, wherein distortion of the zoom optical system satisfies the following condition: -35≤DTmin≤-10% wherein DTmin is a minimum value (%) of distortion. COPYRIGHT: (C)2007,JPO&INPIT
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