Tuesday, June 17, 2014

The Purpose of Neutral Density Filters

The Purpose of Neutral Density Filters

Neutral density (ND) filters can turn an ordinary landscape photo into a dramatic event by filtering light for artistic effect.

Definition

    Cambridgeincolour.com describes an ND filter as a device that blocks a certain amount of light from the camera sensor in a uniform grade or density.

Uses

    ND filters can smooth motion from images such as waterfalls or oceans, reduce the visual impact of moving objects in the image or add a blur to rapid motion for dramatic effect.

Filter Ratings

    Manufacturers rate their ND filters by what fraction of light they block. The lightest filter, which blocks only half the available light, receives a rating of ND2, while an ND64 filter blocks all but 1/64th of the light.

Graduated Filters

    A graduated neutral density (GND) filter blocks light in a gradual darker-to-lighter pattern instead of uniformly across the entire frame.

Pros and Cons

    Cambridge Colour notes that while neutral density filters produce dramatic lighting effects, any filter can introduce unwanted visual artifacts into the image, such as lens flare, reduced contrast, or even blackening at the edges of the image.


The Purpose of Neutral Density Filters

Neutral density (ND) filters can turn an ordinary landscape photo into a dramatic event by filtering light for artistic effect.

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Definition

    Cambridgeincolour.com describes an ND filter as a device that blocks a certain amount of light from the camera sensor in a uniform grade or density.

Uses

    ND filters can smooth motion from images such as waterfalls or oceans, reduce the visual impact of moving objects in the image or add a blur to rapid motion for dramatic effect.

Filter Ratings

    Manufacturers rate their ND filters by what fraction of light they block. The lightest filter, which blocks only half the available light, receives a rating of ND2, while an ND64 filter blocks all but 1/64th of the light.

Graduated Filters

    A graduated neutral density (GND) filter blocks light in a gradual darker-to-lighter pattern instead of uniformly across the entire frame.

Pros and Cons

    Cambridge Colour notes that while neutral density filters produce dramatic lighting effects, any filter can introduce unwanted visual artifacts into the image, such as lens flare, reduced contrast, or even blackening at the edges of the image.



  • ND Filters - ND Filter - Neutral Density Filters Edmund Optics

    www.edmundoptics.com/optics/optical-filters/neutral-density-filters

    ND Filters, also known as Neutral Density Filters, designed for absorption or reflection of unwanted wavelengths are available at Edmund Optics


  • Neutral Density Filters - Digital Photography Tips: Digital ...

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  • Flickr: Neutral Density Filters - Welcome to Flickr - Photo Sharing

    www.flickr.com/groups/neutraldensity

    by Abdul... by Dame Beau. by AnthonyGi... by sarah___ by Andrew... by Aaron Yeoman. by Ian Flanagan. by Philippe... by CameraManCoe. by androsce. by Wendy: by chasmcn


  • Neutral Density Filters Explained FreePhotoResources ...

    www.freephotoresources.com/neutral-density-filters-explained

    A neutral density filter or ND filter is a grey tinted filter. This can be applied to the lens in a number of different ways.


  • Neutral Density Filters - Michigan Technological University

    www.cs.mtu.edu/shene/DigiCam/User-Guide/filter/filter-ND.html

    Neutral Density Filters The main purpose of using neutral density (i.e., ND) filters is to reduce the amount of light that can pass through the lens.

  • Neutral Density Filters - Tiffen.com

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    Neutral Density Filters. 105C ND 1.2 FILTER: 105C ND1.0 FILTER

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    Neutral Density Filters. 100MM SQ GEL FILTER 96/ND 0.10: 100MM SQ GEL FILTER 96/ND 0.20

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    Find great deals on eBay for graduated neutral density filter and tiffen grad 72mm filter. Shop with confidence.

  • The Neutral Density Filter FAQ - Digital Grin Photography Forum ...

    www.dgrin.com/showpost.php?p=1126484&postcount=1

    Welcome, if you reading this, and are not sure what a Neutral Density (ND) Filter is or a Graduated Neutral Density (GND) filter is, read on, hopefully I'm going to ...

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  • When to Use Graduated Neutral Density Filters from Nikon ...

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    www.singh-ray.com/reversegrads.html

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  • Cokin's NOT SO Neutral Density Filter Flickr - Photo Sharing!

    www.flickr.com/photos/brentbat/2372603825

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  • How to Use neutral density or ND filters Photography

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  • Tiffen 77mm Variable Neutral Density Filter (77VND) - Wex

    www.wexphotographic.com Circular / Threaded Filters Tiffen

    Order Today - The Tiffen Variable Neutral Density filter is a versatile and flexible tool providing 2 to 8 stops of light control, affording you the

  • Cokin Graduated Neutral Density Filter Kit CH250 B&H Photo Video

    www.bhphotovideo.com/c/...CH250_Graduated_Neutral_Density_Filter.html

    The Graduated Neutral Density Kit from Cokin consists of three filters: 121L (1 stop), 121M (2 stops) and 121S (3 stops). Often it is necessary or desirable to ...

  • Graduated Neutral Density (GND) Filters Tutorial - YouTube

    www.youtube.com/watch?v=0EZUJZlWCQ4

    Questions? Go here: http://www.youtube.com/watch?v=0Zls-a... Explanation on understanding the benefits of graduated neutral density (GND) glass filters. We ...

  • Create Your Own Variable Neutral Density Filter

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  • Neutral Density Filters - Photography with Imre - Episode 11 -

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