Again, the 4x4 grid is the best option for this ... as it can enable you to figure out where to position your camera (or how far to zoom in or out) before pressing the shutter button.

Pixel Camera comes loaded with four different grid ... Which are no grid, a 3x3 grid, a 4x4 grid, and a golden ratio grid. I tried to keep the subject as near identical as possible in all four ...