Telescope Spotting Scope Microscope Mount Holder Phone Camera Adapter - Walmart.com
LAKWAR Telescope Phone Adapter,Universal Smartphone Mount for Binoculars, Monocular, Microscope, Spotting Scope, Telescope, Smartphone Holder Clip Bracket Fits Almost of Mobile Phones - Walmart.com
Microscope Adapter for iPhone | LabCam® | iDu Optics
Finally: a good smartphone adapter for a microscope | Microbehunter Microscopy