| 摘要 |
A zoom lens system, in order from an object side to an image side, comprising: a first lens unit having positive optical power; a second lens unit having negative optical power; and a third lens unit having positive optical power, wherein the zoom lens system is provided with an image blur compensating lens unit which moves in a direction perpendicular to an optical axis in order to optically compensate image blur, which is a part of the third lens unit, and which is positioned closest to the object side in the third lens unit, and wherein the condition: 0.5<LT/fT<1.2 (LT is an overall length of lens system at a telephoto limit, fT is a focal length of the entire system at a telephoto limit) is satisfied.
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