How to Make polarization filter from 3D Glasses and lens cap
If you're a serious film buff then these glasses will totally give you a cinemagasm. This polarization filter uses a pair of 3D glasses as a base and combines the glasses with a lens cap to reduce glare and any reflections that could tamper with your viewing experience.
These RealD glasses utilize circular polarizers to achieve sharp, crisp images. This filter is an excellent and easy way to create a clean filter for your camera.