RENIAN Polarized Film Sheets 3 PCS 8 x11inches/21x29cm Polarizer Linear Polarizing Filter Non-Adhesive for Educational Physics Photography Lighting.

, Specification: Polarization: Linear，Greater than 99. 9% Size: 7. 8x11. 8 inches/ 20x30cm Thickness:0. 19mm Feature: Polarizing film have protective film on both sides, before you use it, you have to peel a protective film off the front and back. Educational Application: Work great for class projects to demonstrate the effects of polarization in a very affordable way. Physical Experiment: Linear Polarizing sheets are used in experiments relating to birefringence, light scattering, polarized light experiments, light reflection. Photography Filter: Use to reduce the glare caused by smooth surfaces such as glass, water, paper, and certain metallic objects. Package content: 3 x Polarizing film sheet.