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Heliopan 77mm Circular Polarizer Slim Glass Filter - 707780

Item # HLCPL77 (Part # 707780)
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Discontinued. Brand new, USA Warranty
Item Description:
The Heliopan Polarizer improves the color of the sky, (in distant pictures, mountain scenes, etc.) it reduces the bluish cast in landscapes and increases the blue color of the sky. The effect is strongest at a 90? angle to the sun.

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Heliopan 77mm Circular Polarizer Slim Glass Filter - 707780

Polarizing Filters reduce reflections and glare, they are a neutral color and can be used for color or black and white imaging.
As the light coming from the sun is not polarized parts of the light become partially polarized due to the scattering of particles in the atmosphere. This scattering reduces the transparency of the air and creates haze in the distance and the blue in the sky on a sunny day. Polarization also controls in the reflections of light on the original color of the surface.
The Heliopan Polarizer improves the color of the sky, (in distant pictures, mountain scenes, etc.) it reduces the bluish cast in landscapes and increases the blue color of the sky. The effect is strongest at a 90? angle to the sun.
In addition polarizers enhance the color saturation of the scene by suppressing the reflections on the surface, undesired reflections are largely eliminated.
While increasing color saturation with software can also improve the color saturation the faded parts of the leaves in the illustration above will increase as well. This procedure will not replace the need for a polarizer. For digicams we recommend using a circular polarizer, linear polarizers may result in incorrect exposure or focus under some lighting conditions. They are available with or without SH-PMC coating and in slim or standard rims. The rims are calibrated to help in finding the proper settings when a TTL preview is not available.

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