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Cokin P Series Hard-Edge Graduated Neutral Density 0.9 Filter (3-Stop)

BH #COP121 • MFR #CP121
Cokin P Series Hard-Edge Graduated Neutral Density 0.9 Filter (3-Stop)
Key Features
  • For Cokin P Series Holders
  • Up to 8x Filter Factor, 3 Stop
  • Reduce Exposure in Selective Areas
  • Hard-Edged Line of Transition
This Cokin P Series Hard-Edge Graduated Neutral Density 0.9 Filter is designed for use with a Cokin P Series Filter Holder. It helps to darken specific areas of an image, such as bright skies, while allowing for a normal, unaffected exposure in the other regions of the image. The filter is densest at the edge and tapers to clear by the middle, with a hard-edged line of transition between the dense and clear areas. A neutral density filter with a hard-edged line of transition is useful for images which include defined horizon lines. Neutral density filters do not affect the coloration of the image and this filter provides up to a 3-stop reduction in light from entering a lens.
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Cokin CP121 Overview

This Cokin P Series Hard-Edge Graduated Neutral Density 0.9 Filter is designed for use with a Cokin P Series Filter Holder. It helps to darken specific areas of an image, such as bright skies, while allowing for a normal, unaffected exposure in the other regions of the image. The filter is densest at the edge and tapers to clear by the middle, with a hard-edged line of transition between the dense and clear areas. A neutral density filter with a hard-edged line of transition is useful for images which include defined horizon lines. Neutral density filters do not affect the coloration of the image and this filter provides up to a 3-stop reduction in light from entering a lens.

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

  • Compatible with a Cokin P Series Filter Holder
  • Darkens bright areas of an image, such as skies, while leaving the remainder of the frame unaffected
  • Provides up to a 3-stop reduction of light in selective areas
  • Hard-edged line of transition between the dense and clear areas
  • Useful for images which include defined horizon lines
  • Filter does not affect the overall coloration of the image
  • Constructed from optical resin (CR39) for clarity and durability
UPC: 085831270587

Cokin CP121 Specs

Filter Type
Graduated ND
Exposure Reduction
3-Stop
Graduation Type
Hard Edge
Graduation Direction
Horizontal
Size
3.3 x 3.9" / 84 x 100 mm (Cokin P) 
Filter Thickness
0.06" / 1.6 mm
Filter Material
Rigid Plastic
Packaging Info
Package Weight
0.08 lb
Box Dimensions (LxWxH)
5.7 x 4.2 x 0.3"

Cokin CP121 Reviews

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question

What is the difference between the Cokin P121 and the P121S graduated neutral density filters? Both are stated to be 3-stop graduated filters. Does the s version make a more gradual transition from clear to dark than the base 121?
Asked by: Eric J.
The S version is a softer graduation
Answered by: Charles L.
Date published: 2018-08-27
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