* Application: Connect mobile device holder to telescopes to take photos * TypeMobile device holder * 1. Eyepiece bayonet connection: Compatible with telescope whose eyepiece outer diameter is between 26-43. 5mm, suitable for mobile phones with a width of 62-105mm * 2. Rubber sucker connection: Connected to mobile device with camera or video function, such as smartphones, tablet computers. * 3. Eyepiece bayonet: Internal diameter is between CM-8L:38. 5mm-43. 5mm CM-8SML:26mm-43. 5mm * 4. Lock catch: Rotate clockwise to narrow eyepiece bayonet, or anticlockwise to expand eyepiece bayonet, push up to fix eyepiece bayonet * 5. Fine adjustment screw: Loosen to adjust eyepiece bayonet * Attation: * (1) Preferentially take photos with touch screen camera if your mobile device has this function. * (2) Preferentially take photos with center focus if your mobile device has focus camera. * (3) Keep it away from fire and heat. * (4) If rubber sucker is stained with dust, rinse it for reuse. * (5) Do not scratch rubber sucker with sharp objects, or its service life will be affected. * ColorBlack * Material:Plastic, soft rubber and metal * Package: 1 x Mobile device holder