Turning small lens into a super macro lens

I've got a small lens laying around for a while. One with a telescopic holder for smartphones, but since my phone is ~2.8 inches wide, it's too big for the holder :/ That's why i decided to try out something different with the lens, and cut it into pieces with a pliers to get to the glass inside. When I got the glass out, I quickly discovered that they were shaped and looked a lot like magnifying glasses, and then I just had to try and put it in front of my camera to see what happened. The result was very cool, it really allows the camera to focus on very tiny objects! :D

Close up of a screw without magnifying glass

Close up with the small magnifying glass. HUGE difference!

The lens didn't only contain one magnifying glass, but 3, and they differed in diameter and thickness. The one with the greatest diameter and the thick one wasn't really that useful, only the smallest glass was worth attaching to the camera. Then I thought about combining some of these glasses, just like they were combined into one lens to begin with, and that resulted in an even more magnifying macro effect! I combined the two glasses with smallest diameter.

The three pieces of glass and the ring of plastic

The macro lens taped together

Okay guys, now you're probably wondering where that little ring of plastic came from, right? :P It was inside the lens too! And I used it to combine the two glasses with a little spacing in between. :D
I took some photos with my camera to demonstrate this, using a pretty small torx screw as test object :P
I also learned, that the more lenses combined close to each other, the more effect, but the focus point also gets smaller, resulting in a very blurry thread, when focusing on the head on the screw, which isn't a good thing in most cases in my opinion. But for this example, it's definitely pretty cool :P

The screw compared to a standard sized pen. It's really tiny!

Close up of the screw with the macro lens with the head in focus.

Close up of the screw with the macro lens with the thread in focus.

That's it for now :P A pretty cool gadget to take pictures of very small things like insects. That would be interesting!

But go ahead, and take some cool macro photos, and leave a link in the comments, I'd love to see your macro photos :D