Miniaturizing a digital camera is relatively easy because all you’re creating is digital files that sit on a tiny memory card. Miniaturizing an instant film camera? That’s a monumental task by comparison, given you have to shrink all the moving parts that expose and spit out physical prints, as well as the film…
Source: Gizmodo – Polaroid Claims This Is the Smallest Analog Instant Film Camera Spitting Out Tiny Two-Inch Prints