Make a DIY Polarizing Filter From an Old LCD Screen

Polarizing filters can be an essential part of a photography tool set, as they suppress glare, make blue skies pop, and offer an additional way to control the light in your scene. And if you have some old electronics that you can mine for spare parts, you might already have a filter.

It turns out the glass screens on old liquid crystal displays that you can find on something like a calculator or an old Nokia phone have a transparent layer that acts as a polarizing filter. If you disassemble the device (and are careful not to break the screen, of course), you can use it as a rough but ready polarizing filter. Obviously such a small screen won’t work with your DSLR, but you can experiment with your smartphone camera to see how the filter works. (You can also try shooting photos through your sunglasses if you have polarized lenses.)

This tip comes from the Koldunov Brothers, who often find unique ways to use household items in photography. It’s certainly not a professional solution to making a filter but it’s a fun way to repurpose any broken electronics you might have lying around.

Free polarizing filter. Capturing a new camera phone using filter, taken from the old one | Kuldunov Brothers

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