and high qualityUniversal smartphone adapter easily connects your any mobile phone to a wide variety of optical.Easy to capature. Get your mobile phone into video camera and capturer in distant and tiny world.Mobile phone interface is a fixed bracket of microscope & telescope connected to mobile phone. This interface can be fixed mobile phone easy to the microscope (telescope) eyepiece, so that to watch and take pictures.This kit fits most telescppe/binocular/monocular/microscope/riflescope only if dia covers 26.4mm to 46.4mm and applicable to smartphone which width is between 55-98mm. diameter locking knob is easy and comfortable to lock the eyepiece.Soft material to protect your phone from three directions and screw locks mobile phone firmly and stably.The size can be adjusted to adapt to different types of telescopes.Smartphone capturer can be used in many optical devices, such as Spottingscope, Astronomical Telescope, Binocular, Monocular, Some Riflescope and Nightvision Device and so on.Instruction:Step 1. Loose the knob in the picture.Step 2. Set the mobile phone and tighten the knob to couple your mobile phone with smartphone capturer.Step 3. Adjust the hole to the center of lens.Step 4. Tighten the knob in a secure situation.Step 5. Screw the cap, clamp yout optical instrument in a safe condition.Material: PlasticColor: BlackPackage Contents:1 * Smartphone AdapterOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.