Polarized Tester Image Desktop Stand

Polarized Tester
Polarized test image in medium photo size, used to understand whether polarized eyeglass lenses are polarized. When viewed with the naked eye, only the main theme image of the photo is visible; When checked with polarized glasses, it shows that hidden figures such as airplane, car, fishing man appear on the main theme picture.
If you can see these hidden dark images on the photo when you check it with glasses, you guarantee that your glasses polarize the light, that is, you have polarized coated glasses.

• This test card is specially designed for testing polarized effect.
• Environmental and pollution-free, easy and convenient to use.
• Includes 1pcs in the packaging, meeting your different need.
• Perfect tool in sunglasses shop, or you can just use at home.
• Made of quality material, durable and sturdy, having long service time

NOTE: Instead of the plane seen in the product picture, car, fishing man etc. It may look like a different picture. Product photo is representative.