Whether you are using a digital or a film camera, you often use haze or circular polarizing filters in front of your lens. Not only do they protect your lens, but they can improve your images by reducing glare, minimizing haze, reducing or increasing contrast, altering colors or producing other special effects. Some filtering effects cannot be achieved in post-processing. Moreover, by using a filter as a form of pre-processing, you can avoid having to over-edit in post-processing.
Prevent Lens Damage
Lens caps protect your lenses when you are not using them, but they offer no protection while you are shooting. Many outdoor photographers use filters to protect lenses even when they are not needed for special effects. Haze, UV, circular polarizers, and Sky 1-A are popular all-purpose filters that work well as lens protectors.
Haze Reduction
Haze, UV and polarizing filters all reduce haze. UV filters are effective at high altitude and ineffective at low altitude. At sea level, haze and polarizing filters are equally effective for haze reduction.
Polarizing Filters
All camera types can use circular polarizers, but linear polarizers cause problems for auto-focus, auto-exposure and all digital cameras. There is no other significant difference between circular and linear polarizers. All polarizing filters reduce haze and reflections and darken skies. The main advantage of a polarizing filter is that it reduces the glare from water or shiny objects that can overexpose areas of your image. Polarizing filters are a bad choice for very wide-angle lenses. Because they are thicker than normal filters, they may cause vignetting. Also, they darken sky away from the sun more than they darken sky close to the sun, an effect that is very apparent with extreme wide-angle lenses.
Haze Filters
Haze filters are useful for moderate haze reduction. They darken the sky slightly and sharpen distant objects. Unlike polarizers, they will not reduce reflections.
Whether you are using a digital or a film camera, you often use haze or circular polarizing filters in front of your lens. Not only do they protect your lens, but they can improve your images by reducing glare, minimizing haze, reducing or increasing contrast, altering colors or producing other special effects. Some filtering effects cannot be achieved in post-processing. Moreover, by using a filter as a form of pre-processing, you can avoid having to over-edit in post-processing.
Prevent Lens Damage
Lens caps protect your lenses when you are not using them, but they offer no protection while you are shooting. Many outdoor photographers use filters to protect lenses even when they are not needed for special effects. Haze, UV, circular polarizers, and Sky 1-A are popular all-purpose filters that work well as lens protectors.
Haze Reduction
Haze, UV and polarizing filters all reduce haze. UV filters are effective at high altitude and ineffective at low altitude. At sea level, haze and polarizing filters are equally effective for haze reduction.
Polarizing Filters
All camera types can use circular polarizers, but linear polarizers cause problems for auto-focus, auto-exposure and all digital cameras. There is no other significant difference between circular and linear polarizers. All polarizing filters reduce haze and reflections and darken skies. The main advantage of a polarizing filter is that it reduces the glare from water or shiny objects that can overexpose areas of your image. Polarizing filters are a bad choice for very wide-angle lenses. Because they are thicker than normal filters, they may cause vignetting. Also, they darken sky away from the sun more than they darken sky close to the sun, an effect that is very apparent with extreme wide-angle lenses.
Haze Filters
Haze filters are useful for moderate haze reduction. They darken the sky slightly and sharpen distant objects. Unlike polarizers, they will not reduce reflections.
Nikon 77mm Circular Polarizer II Filter 2260 B&H Photo Video
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B+W 77mm Kaesemann Circular Polarizer MRC Filter 66-045620
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Circular vs. Linear Polarizing Filters eBay
www.ebay.com/gds/Circular-vs-Linear-Polarizing-Filters/...58mm Circular Polarizing CPL Filter for Canon Rebel T4i T3i T3 T2i 18-55mm Lens
Polarizing vs UV Filter - PopPhoto Forums
forums.popphoto.com/showthread.php?614659-Polarizing-vs-UV-FilterI know that a person is supposed to put a UV filter on a camera to protect the lense ... Seeker; It sounds like you really need a ND filter first off the Polorizer ...
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www.dcresource.com/forums/archive/index.php/t-2370.htmlCopied from Luminous-Landscape There are two types of polarizing filters available linear or circular. Linear polarizers are more effective and less expensive ...
upgrade Hoya circular polarizing filter? - PopPhoto Forums
forums.popphoto.com/...618641-upgrade-Hoya-circular-polarizing-filterHi everyone, Sorry about the two previous attempts that didn't go through. Here's ... Upgrade. ... DD, If the Hoya "standard" filter lacks multi-coating, then I would ...
DSLR Tips: Using polarizing filters - YouTube
www.youtube.com/watch?v=7Vvz_d6APXkFull guide at: http://www.dslrtips.com/workshops/How... - How to use polarizing filters to reduce haze and deepen blue skies, by Gordon Laing, Editor of ...
Filter Page - Tiffen.com
www.tiffen.com/filters.htmPROTECTIVE & UV ABSORBING FILTERS UV Protector Sky 1-A Haze 1 ...
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