Product ： Color: Black Material: ABS Size: 11.9 x 6.7 x 4.45 cm Weight: 0.102 kg Phone clamp range: 66-95 mm Eyepiece end diameter: 23-50 mm Maximum load: 3 kg Package includes: 1 x telescope mounting adapter Product 【30 seconds to set up】All you have to do is stretch the phone holder and insert it into the phone. Simply align the eyepiece with your phone's camera and you can connect the phone to the optical instrument to get a clear image. Quickly capture and share great images 【23mm to 50mm eyepieces】 universal spotting scope cell phone adapter suitable for eyepieces with an outer diameter of 23 mm to 50 mm and can be mounted on most binoculars, monoculars, telescopes, spotting scopes, microscopes (If the eyepiece of the optical device is small, you can use the EVA spacers included in the package to attach it to the four corners of the adapter) 【Compatible Smartphone】 Universal adapter bracket for mobile phones with a wide range of widths from 66mm to 95mm, depth 6.5mm to 14 mm.Suitable for more than 99% smartphone models!（For phones with multiple lenses, only the main lens of the phone needs to be connected.） 【Safe and Durable】The double-sided, one-piece structure made of ABS is easy and quick to install and prevents loosening, with a silicone pad on the surface that connects the phone to the eyepiece to protect the phone and the lens of the optical device, and a silicone strip on the inside of the phone holder to prevent pressing the phone buttons 【Compact and easy to carry】This phone adapter Full size 11.9 * 6.7 * 4.45cm, six-sided shaded design for no light leakage, it is light and compact, easy to carry and store