An electronic device and method are disclosed. The electronic device includes a display, a camera module having first and second cameras having first and second viewing angles, respectively, and a processor. The processor implements the method, including: acquiring a first image with a first magnification using the first camera, and displaying the first image on the display, while acquiring the first image, receiving an input requesting changing an image acquisition magnification of the camera module from the first magnification to a second magnification, changing a distance between the first camera and the second camera in response to the input, upon detecting that the changed distance between the first camera and the second camera is less than or equal to a threshold distance, switching from the first camera to the second camera, and acquiring a second image using the second camera, and display the acquired second image on the display.