The zoom lens is high performance and large in zoom ratio and is compact due to the simple structure.

该变焦透镜具有高性能和大变焦率，并且因其简单的结构而显得很紧凑。

youdao

The zoom lens is high performance and large in zoom ratio and is compact due to the simple structure.

该变焦透镜具有高性能和大变焦率，并且因其简单的结构而显得很紧凑。

youdao