1. A camera system comprising: a processor; a camera coupled to the processor; a display coupled to the processor; and a memory storing instructions that, when executed by the processor, cause the processor to: store a first image in the memory; modify the first image to generate a modified first image, the modified first image corresponding to the first image at a reduced opacity; control the camera to capture a real-time preview; overlay the modified first image on the real-time preview to generate a combined preview; output the combined preview to the display; capture a second image using the camera; and store the second image in the memory.