Square 1:1
Digital SLR 3:2
Digital Camera 4:3
Panorama 16:9
Panorama 21:9
24x24 x2
24x32 x2
24x36 x2
24x42 x2
24x56 x2
30x30 x2
30x40 x2
30x46 x2
30x54 x2
30x70 x2
36x36 x2
36x48 x2
36x54 x2
36x66 x2
40x40 x2
40x54 x2
40x60 x2
40x72 x2
12x12 x2
12x16 x2
12x18 x2
12x22 x2
12x28 x2
16x16 x2
16x20 x2
16x24 x2
16x28 x2
16x36 x2
20x20 x2
20x26 x2
20x30 x2
20x36 x2
20x46 x2