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You are here: Home » Polarizing Filter in Digital Photography

By Abhishek Ghosh July 22, 2012 12:19 pm Updated on July 22, 2012

Polarizing Filter in Digital Photography

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Polarizing Filter is a polarizer for light source to be entered through the Lens, is based on dichroism and split up light into beams of different wavelengths and therefore absorbs complementary polarized light. We discussed the broader term Filer in Digital Photography. Polarizing Filter is a kind of special Optical Filter.

 

Basics of Polarizing Filter in Digital Photography

 

Most Polarizing Filter caps are technically manufactured for DSLR cameras. However, long zoom and Bridge cameras can have adopters to attach a Polarizing Filter. They may be used only for low-power light sources, because they will be destroyed due to overheating. These Polarizing Filers are actually more than just a protective transparent cover in front of the Lens.

 

Types of Polarizing Filter

 

Linear Polarizing Filter : Linear polarizing optical filters are usually based on the method developed by Edwin Herbert , which were made of macromolecular films that are stretched plastically in one direction. This stretching aligns the molecules in parallel. Diffused iodine is deposited on these chains and provides charge particles, which are movable in the direction of the chain of molecules, resulting in the absorption of parallel electromagnetic ray including visible light.

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Circular Polarizing Filter :  A circular Polarizing Filter consists of a linear polarizing filter, on the linear side, the incident light’s linearly polarized component is absorbed, other transmitted as circularly polarized light.
True Circular Polarizing Filter produce unpolarized light from circularly polarized light by chiral molecules layered over it.

 

Usages of Polarizing Filter

 

Polarizing Filter in Digital Photography

 

Vim
1
Image : The photo on the left was taken with a Polarizing Filter and the photo on the right without one.

 

Polarizing Filter removes the unwanted reflections from smooth, non-metallic surfaces, the color reproduction of green leaves and grasses becomes more natural. The blue of a cloudless sky is partially polarized. Using a polarizing filter, a large part of the bright sky are retained, so that the sky in the photo appears darker and thus more powerful in its color. White clouds become more distinct against the blue sky.

 

Signature Tagged With linear polarizer customize , polarizer filter customize rectangular

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Abhishek Ghosh

About Abhishek Ghosh

Abhishek Ghosh is a Businessman, Surgeon, Author and Blogger. You can keep touch with him on Twitter - @AbhishekCTRL.

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Comments

  1. AvatarDr Dhananjay Dongre says

    April 13, 2013 at 3:24 pm

    Hello,
    It was heartening to see a medical doctor writting on photographic filters. I am m.b.b.s.doctor with deep interest in Hindu
    spiritual thoughts & practices. Kindly view my above mentioned web page.
    I t has been drawn by an aura reader who happens to be a commercial artist also. I chanted mantras. Aura reader watched aura around my face & immediately drew on computer what he observed. He has no knoledge of the wording involved or what this chanting is expected to do.
    Can you suggest us which filters can be made use of so as to catch this effect on a camera? I will be highly obliged.Thanking you,
    Dr.Dhananjay Dongre

  2. AbhishekAbhishek says

    April 13, 2013 at 10:19 pm

    Dear Dr.Dhananjay,

    Thank you very much for the kind words. Actually the spiritual writings you will find on my personal blog – http://dr.abhishekghosh.net/
    You can not catch Aura with anything, because frankly our cameras have not reached that level to catch the happening around spirits. It is just like we can not print an image from our memory.

    Please remember that these are not right to share in front of all. It is an essence of good power. You can listen about Aura here from a good person – http://www.youtube.com/watch?v=fs8zCOeKFss

    Regards,

    Abhishek

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About This Article

Cite this article as: Abhishek Ghosh, "Polarizing Filter in Digital Photography," in The Customize Windows, July 22, 2012, May 29, 2022, https://thecustomizewindows.com/2012/07/polarizing-filter-in-digital-photography/.

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