HOYA 43/ 46/ 49/ 52/ 55/58/ 62/ 67/72/ 77/82 mm CPL CIR-PL Slim Ring Polarizer Filter Digital Lens Protector
WHAT IT DOES
When you here the word “Polarized” many negative things come to mind, well it’s the same in photography polarized light is something you don’t want and a Circular Polarizer filter can improve your photography.
Circular polarizing filters allow photographers to achieve , in-camera, effects not possible after the image is created. A polarizing filter simply filters out unwanted reflections from non-metallic surfaces such as water and glass in addition to light reflecting off moisture and pollution in the atmosphere. By rotating the filter you can select just the right amount of filtration needed to achieve the creative effect. This results in bluer skies, greener leaves, reduced or eliminated reflections, and greater clarity in your final image.
FILTERS OUT POLARIZED LIGHT
Polarized light is light who’s rays have been scattered due to pollution, moisture in the atmosphere and reflection. A circular polarizer filter only allows light rays that are traveling in one direction to enter the lens. This is how the Circular polarizer works it’s magic.
Here is a diagram of how a simple linear polarizer works