Microscope Lens Adapter, Microscope Smartphone Camera Adaptor - for Microscope Eyepiece Tube 23.2mm, Built-in WF 16mm Eyepiece - Capture and Record The Beauty in The Micro World Go on Microscope Photography with your smartphone. Capture and record the beauty in the phone. Share fun with others. Works on microscopes with 23.2mm optical tube or 23.2mm eyepiece barrel. Note: Please measure the inside diameter of microscope tube if you are not sure what this dimension on your microscope is. Compatible with a variety of phones whose's width range from 2.2" to 3.9" such as iphone 4, 4s, 5, 5s, 6, 6s, 6plus,7,7p, Samsung Galaxy S5, S4, S3, S2, Moto Etc. Built- in WF16mm Eyepiece Super easy to use.