A variation of this filter, termed the graduated neutral density filter or simply'ND grad', transitions from dark, neutral gray on one side to clear on the opposite side.
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A graduated neutral density filter is a neutral density filter with different attenuation at different points, typically clear in one half shading into a higher density in the other.
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A graduated neutral density filter is a neutral density filter with different attenuation at different points, typically clear in one half shading into a higher density in the other.
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Singh-Ray manufactures some unique filters such as the Vari-ND a 2 to 8 stop neutral density filter and the Vari-N-Duo, a combination of the Vari-ND and a circular polarizer.
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Slow shutter speeds can result in a dramatic effect butyou will need a tripod, neutral density filter and a small aperture to be able to shoot at long exposures in strong daylight.
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It is possible to shoot infrared but neutral density filters must be used to reduce the camera's sensitivity and the long exposure times mean that care must be taken to avoid camera-shake artifacts.
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Revised neutral density filter offers three settings ( 1 / 4, 1 / 16, and 1 / 64 ) instead of two ( 1 / 8 and 1 / 64 ) for finer control.
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For example, a very dark neutral density filter can be used ( such as the Hoya ND400 ) which passes a very small amount of visible light compared to the near-infrared it allows through.
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You can stack extra neutral density filters until the glass is as dark as you like, and use one rotatable crossed polarizer for fine adjustment . talk ) 17 : 08, 19 February 2013 ( UTC)
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The neutral density filter permits effects requiring wide apertures or long exposures to be applied to brightly lit scenes, while the graduated neutral density filter is useful in situations where the scene's dynamic range exceeds the capability of the sensor.
