摘要 |
A zoom lens system includes a negative first lens group, a positive second lens group, a diaphragm, a negative third lens group, and a positive fourth lens group, in this order from the object. The negative third lens group includes cemented lens elements having a positive lens element and a negative lens element. The positive fourth lens group includes a positive single lens element, and cemented lens elements having a positive lens element and a negative lens element, in this order from the object.
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