Your camera phone now has such high resolution that it makes a handy magnifying glass. For instance, you can read the tiny branding marks on small parts like this hearing aid if you take a photo and zoom in on your camera phone. dotphoto’s Edittools can also make a permanent image for reference or printing.
Images of tourist maps with tiny street names are especially helpful when traveling.
iPhones have a magnification mode, and Androids show two leaves in the photo mode: tap the single leaf to magnify your screen by 200%.