1. Connect adapter frame open the mount, place the adapter on the telescope eyepiece, turn the knob clockwise to secure it firmly 2. Adjust the phone slot to adjust the knob counterclockwise to open the phone slot, adjust the suitable size for taking pictures with your phone. 3. Connect your phone to take photos Adjust the handle of the adapter frame, point your phone camera lens to the viewpoint of the telescope eyepiece, secure your phone firmly to observe or take pictures.