Fits for optics with eyepiece outer diameter 0.94"-1.85"(24mm-47mm). Applicable to smartphone which width is between 2.16"-4.02"(55-102mm). Please make sure that the dimension of the device is in this range^New Version universal cell phone adapter mount from optics. Perfect for Binoculars, Monoculars and^Quick Alignment Version and Super easy to us. Align the camera and optics in few seconds. The centre of phone camera and the optics can automatically be aligned^Fit almost all brands of smartphones on the market with or without a case from small to large such as iphone 4, 5s, 6s,6p,7,7p, 8, X, Samsung Galaxy S7,S6,Edge, Note 4,Sony,LG and much moreCapturing and Sharing. Take pictures or videos of the view and share them to your friends and families^After-sales-If you have any questions about our products, please contact us in time.