Description: This universal do mobile phone holder allows you to connect a telescope or microscope do smartphone. It helps to transform your smartphone into a professional video camera and capture images of the moon, Jupiter and Mars. It is compact and lightweight, you can conveniently take it with you anywhere. Take amazing photos or videos and enjoy this tiny, amazing world! Characteristics: 1. do mobile phone camera adapter, suitable for most binocular/one-eye microscopes, telescope. 2. It applies to a smartphone with a width of 54,6-97,9 mm and an eyepiece with an external diameter of 26,4-46,4 mm. 3. The light hole easily adjusts do the camera on your mobile phone, shields diffused light and increases image contrast. 4. The large diameter locking knob allows you to easily and conveniently lock the eyepiece. 5. Built-in soft spongy material, no damage to mobile phone during stable attachment to adapter. Technical data: Colour black Material: plastic metal Suitable eyepiece diameter: 26,4 - 46,4 mm Suitable width of mobile phone: 54,6 - 97,9 mm Net weight: about 66g Gross weight: about 80g The package includes: 1 x do phone mount adapter (other items in the pictures are not included. )