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Cokin P Series Graduated ND Filter (84 x 100mm, 3 to 1-Stop)

BH #COP121F • MFR #CP121F
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Cokin P Series Graduated ND Filter (84 x 100mm, 3 to 1-Stop)
Key Features
  • 0.9 to 0.3 Graduated Optical Density
  • Optical Resin CR39 Filter
  • For Cokin P Series Holders
  • Darkens Entire Image
This 84 x 100mm Cokin P Series Graduated ND Filter is designed for use with a Cokin P Series Filter Holder. Its 0.9 to 0.3 density creates a darkening of the entire image that is graduated, allowing you to suppress specific areas of an image such as very bright skies, while providing a similar, but reduced effect in other regions of the image that can benefit from a more moderate reduction in exposure, such as reflecting water or sand. The Cokin P Series Graduated ND Filter is densest at the edge with up to a 0.9 density that tapers to a 0.3 density at the other edge. This filter's density range corresponds to a reduction of light from entering a lens by three stops to one stop.
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Cokin CP121F Overview

This 84 x 100mm Cokin P Series Graduated ND Filter is designed for use with a Cokin P Series Filter Holder. Its 0.9 to 0.3 density creates a darkening of the entire image that is graduated, allowing you to suppress specific areas of an image such as very bright skies, while providing a similar, but reduced effect in other regions of the image that can benefit from a more moderate reduction in exposure, such as reflecting water or sand. The Cokin P Series Graduated ND Filter is densest at the edge with up to a 0.9 density that tapers to a 0.3 density at the other edge. This filter's density range corresponds to a reduction of light from entering a lens by three stops to one stop.

This filter is made of durable, optical resin (CR39) and measures 1.6mm thick.

  • Compatible with a Cokin P Series Filter Holder
  • Edge-to-edge, graduated darkening effect with a 0.9 to 0.3 density range
  • Useful for strong exposure suppression in specific areas of an image such as very bright skies, while providing a similar, but reduced result in other regions of the image that can benefit from a more moderate reduction in exposure, such as reflecting water or sand
  • 0.9 to 0.3 density corresponds to an 8x to 2x filter factor that provides a three-stop to one-stop reduction of light
  • Filter does not affect the overall coloration of the image
  • Constructed from optical resin (CR39) for clarity and durability
UPC: 085831448733

Cokin CP121F Specs

Filter Type
Graduated ND
Exposure Reduction
3-Stop
Graduation Type
Edge-to-Edge
Size
3.3 x 3.9" / 84 x 100 mm (Cokin P)
Front Accessory Thread / Bayonet
No
Coating
No
Filter Thickness
0.06" / 1.6 mm
Filter Material
Rigid Plastic
Packaging Info
Package Weight
0.08 lb
Box Dimensions (LxWxH)
5.75 x 4.2 x 0.3"

Cokin CP121F Reviews

Worked great, like all my Cokin filters.

By Paul
Rated 5 out of 5
Date: 2012-11-13

This is an addition to my original set of Cokin ND graduated filters and seems to work fine for me. I just got back from a trip to Yosemite and used this filter a lot because we had bright sunshine each day I was there. This filter helped with the huge contrasts between the bright skies and the darker riverbeds and forests.

useful tool

By Anonymous
Rated 3 out of 5
Date: 2010-07-09

I used the filter on a 3 day backpacking trip and it held up well to all the banging around. It was easy put on and off the camera. I like the ablity to slide it up and down to get more or less graduation as needed. photo's improved.

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