| 摘要 |
According to various aspects, an optical zoom lens system and a method magnifying an image using an optical zoom lens system are disclosed. In one example, the optical zoom lens system comprises a first lens group including a first focus-tunable lens and a first negative lens, a second lens group, positioned after the first lens group in an optical path, a third lens group, positioned after the second lens group in the optical path, and a fourth lens group, positioned after the third lens group in the optical path, including a second focus-tunable lens and a second negative lens.
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