Phone Adapter Mount Eyepiece Diameter 2.5-4.08cm Range for 52-100mm Width Camera

smartphone adapter can connect your smartphone to spotting binoculars, monocular, or microscope Nice accessory for photography at travel, concert, or other activities Fit eyepiece diameter of 2.5-4.08cm/0.98-1.61in Lightweight and easy to carry Fits the phone width range is 52-100mm/2.05-3.94in,fit most mobile phones