Galaxy A9 (2018) With Quad Rear Camera Setup. 1) 24-megapixel primary camera featuring an f/1.7 aperture 2) 10-megapixel telephoto camera featuring 2x optical zoom and an f/2.4 aperture. 3) 8-megapixel ultra-wide camera with a 120-degree lens and f/2.4 aperture 4) 5-megapixel depth camera with an f/2.2 aperture. Now Its really interesting to see what Samsung is trying to do.