If you happen to have an old-fashioned camera wasting away in a junk drawer, you can take it apart and use the lens for smartphone macro photography. This video shows you how.
In the video above, YouTuber kipkay demonstrates how to take apart a vintage camera and carefully remove the lens from it. Then with a few little tweaks, you have a lens that fits on your smartphone and lets you take detailed photos of super tiny subjects. There are other cool ways to make your own macro photography lenses, but this hack makes great use of a gadget you probably haven't touched in years.
Vintage Camera MACRO HACK! [YouTube]