Features: Universal smartphone adapter can connect your smartphone to telescope, spotting scope, binoculars, monocular, or microscope. Nice accessory for photography at travel, concert, hunting,or other activities. Fits the phone width range is 52-100mm/2.05-3.94in,fit most mobile phones; Lightweight and easy to carry; Fit eyepiece diameter of 2.5-4.08cm/0.98-1.61in; Specifications: Material:ABS/Metal Applicble Phone Width Range:Approx.52-100mm/2.05-3.94in Eyepiece Diameter:Approx. 2.5-4.08cm/0.98-1.61in Option Type:ABS Smartphone Telescope Adapter,Metal Smartphone Telescope Adapter; Package Includes: 1xSmartphone Telescope Adapter note: Please allow 1-2cm errors due to manual measurement,please make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.