Let's Learn How To Use These Lenses Step By Step

First
Launch the camera on your Apple or Android

Second
Use your finger to cover the back phone camera one by one the main camera is the one that is blurry and dark when covered by the finger

Third
Adjust the clip ring to center it on the main camera

Fourth
Tighten the screws for stability

Fifthly
Install the lens over your phone main camera

Finally
Tighten the screw on the clip finally