UV filter vs Polarizer filter

Started May 20, 2008 | Discussions thread
tjack
Senior MemberPosts: 1,160
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In reply to Jim Boutilier, May 23, 2008

Jim Boutilier wrote:

While digital cameras are less sensitive to UV than film they are not
immune to the effects so where you are taking pictures of distant
landscapes, particularly at high altitudes, a UV filter han help
eliminate the "haze" or fog caused by the UV light.

Clarification... This is NOT the "haze" they cut down on. In the old days of film, UV light would cause a haze on the film itself. Or, UV light would bounce off particles in the air and get recorded by the film. This had absolutely nothing to do with the actual haze in the scene. Also, the film recorded too much blue at high altitudes so a Skylight 1A or 1B was used to cut UV and some blue.

These days, film and digital sensors assemblies are not sensitive to UV light and do not create the haze as in the old days. If there is haze in the scene, there will be haze in the image. No filter can remove that. The only thing a UV filter does is to "protect" the front element of the lens in bad conditions. There is no effect on the image itself.

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