The dual 12-megapixel cameras on iPhone 7 Plus work together to offer 2x optical zoom and up to 10x digital zoom for photos. Coming later this year, the dual 12-megapixel cameras also enable a new depth-of-field effect, using both cameras on iPhone 7 Plus to capture images, while sophisticated technology including Machine Learning separates the background from the foreground to achieve amazing portraits once possible only with DSLR cameras.