| 摘要 |
Provided is a zoom lens in which both higher-order components of distortion and lateral chromatic aberration are corrected in a retrofocus type optical system. The zoom lens includes, in order from a magnifying side, a first lens unit which is negative, a second lens unit which is positive, and a rear lens group which is positive. A solid material having high dispersion and high extraordinary dispersion is used for a negative lens included in the first lens unit to provide a suitable shape and refractive power.
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