Mobile Phone Microscope for Redmi Note 11S

The device was born from the need to enlarge images without using digital zoom, as happens when you take a photo and then enlarge it with a program of graphics.

The detail the image contains natively is inevitably lost when defined of the CCD sensor of the camera used has its own definition established by the manufacturer.

The only tools needed are a 3D printer and an old DVD, burner or player, it does the same.

Just download the file at the bottom of the page and print it, I suggest enabling supports and printing at 20% infill.

A drop of quick glue at the end. That's all!

Using this device, however, you have the possibility of enlarging the image during shooting, that is, optically, without resorting to what is technically defined as "linear interpolation", in the which pixels, not existing, are generated as an average of adjacent ones, when using programs of post-processing. This is explained by loss of definition when you enlarge a photo digitally. Below a certain level, this phenomenon can be considered negligible, but it is starting to happen evident at 50-60% and unbearable when it exceeds 70%.

There are many devices on the network that perform this function, I also tried several, but often generate other problems, such as chromatic aberration of the image (bad color collimation or loss of focus at the edges), vignetting (framed image), and others, not to mention their cost.

My device on the other hand, although not perfect, was produced using a 3D printer and a lens made from an old DVD player. The project is disarmingly simple. This is a saddle that fits in the manner of one phone cover in which, in correspondence with the main lens, there is the additional lens which It shortens the focus distance enormously, allowing you to create super macro images. In short, a microscope. I haven't explained how a lens is obtained from demolishing a DVD because the internet is full of ai examples which ones I refer to. In my case, as can be seen from the attached images, the filament of my 3D printer, whose burr is 0.4 mm appears, on the screen, to be 5 cm (125 times, i.e. 15,625 times since it is necessary to raise to square this value, since we are talking about a two-dimensional image).

At zero cost, it's not bad at all.

Unfortunately the device is not universal, as I made it exclusively for my mobile phone, but I hope it can serve as an idea for other users with a 3D printer and an old DVD player unused on some shelf in the closet.

Good work!