发明授权
US06972909B2 Zoom lens and image pickup apparatus having the same 有权
具有相同的变焦镜头和摄像装置

Zoom lens and image pickup apparatus having the same
摘要:
The zoom lens has, in order from the object to image sides, a first lens unit having a positive refractive power, a second lens unit having a negative refractive power, a third lens unit having a positive refractive power, and a fourth lens unit having a positive refractive power, wherein the second lens unit and the fourth lens unit move during zooming. The following condition is satisfied: υ23 1.9, −1.0
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