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GND

(2008-09-09 08:43:14) 下一个

Description:

1- UV filter (ultraviolet) for protection against dust, dirt, scratches, fingerprints and the sun's ultraviolet rays.
2- Polarizing Filter. Used to increase color saturation, like darkening blue skies so that white clouds stand out.
3- FL-D filter (fluorescent) for taking pictures indoors under fluorescent lights. This filter removes the greenish tint given off by fluorescent lighting.

UV
Film and a digital CCD are more sensitive to UV light than our eyes are. This often shows up in images shot from high altitudes and long distances especially over water. This filter will remove the UV light and more importantly protect your lens from moisture, scratches, and damage.

Polarizer
provides color and contrast enhancement. Reflected light often shows up as a whitish glare that washes out color in an image. A polarizing filter will correct this problem creating deep blue skies. It also removes glare from non-metallic surfaces such as windows and water.

FLD
provides color correction when shooting under fluorescent lighting. It will remove the greenish tint from the image, providing pleasing skin tones and true to life color renditions.  

GND Knowledge


Taking photos agains bright light

大家用的是哪类的 ND filter? Cokin "P" holder的 还是 4x6 的?


强烈鼓励上Vari ND, 一次到位, 不用觉得不够暗换镜片


要加什么滤镜呢




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