It can shoot very nearly from the object (about 1-3mm max) putting a small laser lens over phone lens.
- 1 laser lens, you can find it on laser-pens like the one on the photo
- A mobile phone with camera
- A piece of clear tape.
Step 1: Preparing the Lens
First take the small lens from the laser and paste over the tape.
Then put the lens over the phone lens (like shown on photo) setting it on the center of the phone lens and firmly with the tape.