According to the properties of basic points of lens group and the varifocal principle of lens group,a varifocal optical system which has a fixed image space principal point has been designed.
根据透镜组基点性质和透镜组可
原理,设计定第二主点
学系统。
距According to the properties of basic points of lens group and the varifocal principle of lens group,a varifocal optical system which has a fixed image space principal point has been designed.
根据透镜组基点性质和透镜组可原理,设计定第二主点学系统。
明：以上
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