Amazon.com : Universal 37mm Step-up Adapter for Zeiss Exolens for use with DREAMGRIP, Beastgrip, Helium Core, and Other rigs with 37mm Thread : Electronics
iPhone Slit Lamp Adapter for all models
Carl Zeiss ExoLens bracket adapter for iphone 6/6s from JAPAN F/S new | eBay
Z-Prime Universal Macro Lens with Free Adapter - Ztylus