In this paper, a new local zoom imaging system is proposed, which contains a liquid crystal lens and a glass lens, so as to solve the problems of large mechanical structure, difficult design of nonlinear motion, and discrete zoom number in the traditional zoom imaging system. Specifically, the proposed system is firstly described, and then the relationship among the parameters of the system is derived. After that, the experimental setup is introduced, and the liquid crystal lens and the dual polarization structures are emphasized. The proposed system is then experimentally validated by changing the voltage applied to the liquid crystal lens group to adjust the imaging zoom ratio in the aperture. Furthermore, the experiment demonstrates that local zoom imaging can be achieved by adjusting the voltage applied to the liquid crystal lens group when system components do not move mechanically, and the zoom ratio is continuously adjustable. This system not only simplifies the mechanical structure of the traditional zoom imaging system, but also makes it possible to lighten and miniaturize the zoom system. In addition, it provides a new method for acquiring and resolving image detail information.