A new smartphone accessory called Snapzoom allows you to mate your smartphone camera with the optical scope of a pair of binoculars, dramatically increasing the reach of your handset. The iPhone 5, for instance, would get its normal 33mm focal length boosted to 330mm on a 10x spotting scope.
Compatible with most smartphones (with or without a case), the Snapzoom can be mounted on all single- and dual-eyepiece scopes, which include the usual binoculars, spotting scopes, telescopes, and even microscopes.
Read here.
