DESCRIPTION: 1.Eyepiece bayonet: Internal diameter is between 22.5-48mm 2.Rubber sucker: Connected with mobile device 3.Lock catch: Rotate clockwise to narrow eyepiece bayonet, or anticlockwise to expand eyepiece bayonet, push up to fix eyepiece bayonet 4.Fine adjustment screw: Loosen to adjust eyepiece bayonet INTRODUCTION (1) Name: Mobile device holder (2) Model: CM-9 (3) Application: Connect mobile device to telescopes to take photos (4) Eyepiece bayonet connection: Compatible with telescope whose eyepiece outer diameter is between 22.5-48mm, suitable for mobile phones with a width of 52-100mm, such as , , , , etc. (5) Rubber sucker connection: Connected to mobile device with camera or video function, such as smartphones, tablet computers Note (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 objects, or its service life be affected. Material: plastic colour: black Package Contents: 1 x Telescope Clamp Only the above package content, other products are not included. Note: Light reflection 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.