Its all about your smartphone!
Step 1: Find a Magnifier and a Box
Find a magnifier or a lens and a box.
Step 2: Mark for Cutting.
Use a pencil to mark.
Step 3: Cut!
Cut the hole and put the magnifier to there.
Step 4: Cut a Piece From Box.
This is for making it closeable
Step 5: Finished!
Now put your smartphone into it. Don't forget to increase brightness.
Step 6: Test!
Well i was using my smartphone for this so i couldn't find a good camera. But it wasn't very hard to see with eye. By the time everything was reversed and if you use one more magnifier that will be fine. (the image on the wall was about 40 cm wide and 25 cm long)
If you like it don't forget to fav and vote it. Thank you!