Polaroid Originals (Color) has disadvantages, the most notable of which are the development time of more than 20 minutes and the need to avoid exposure to light during the development process. Instax does not format. After literally shooting a few thousand Instax last year (I have a hobby that borders on being a professional photographer), I decided that the square format is my favorite format as it's "big enough" and the best camera above all useful Features has flash control. By the way, Instax is exposed through the back. Yes, the black part of the back of the final photo faces the front of the camera. Because of this, unlike Polaroid cameras, Instax cameras don't have large mirrors to flip the image. The polaroid is open at the front. Think about it for a moment. :)