UV filters help to filter out the UV rays in the environment from entering into the lens which leads to haziness in the pictures. The result, the contrast will improve & your pictures will become much more sharper in appearance. The UV filters were very much effective for one shooting film but with the digital era, their effectiveness seems to be debatable. Since digital sensors provide protection to filter out the UV rays, their seems no reason to use a UV filter on your DSLR anymore. However I strongly recommend you put one on your lens.

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