After more research: wow, this is actually getting kind of close. The iPhone 4 has pixel size of 78 μm, and if this can do 8x smaller that's around 10 μm. Jus

After more research: wow, this is actually getting kind of close. The iPhone 4 has pixel size of 78 μm, and if this can do 8x smaller that's around 10 μm. Just two orders of magnitude to go!