Aimosen Photo Studio Backdrop-Black Backdrop Background. 1 Graduation backdrop. ▶8 x 10 FT Black Photo Backdrop◀ The size of this black photography backdrop is 8 x 10 ft (2.44 x 3.05 m). Nice soft and pure black background with a non-reflective surface, and it’s not easy to wrinkle, professionally used for portrait photos, photography shooting, making videos.