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
组基点性质和组可变焦原理,设计定第二主点变焦光学系统。
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.
根组基点性质和组可变焦原理,设计定第二主点变焦光学系统。
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