Kodak 4 x 4" Wratten 2, 87 Infrared Filter

Kodak 4 x 4" Wratten 2, 87 Infrared Filter

Kodak 4 x 4" Wratten 2, 87 Infrared Filter

B&H # KO8744O MFR # 8795601
Kodak 4 x 4" Wratten 2, 87 Infrared Filter

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Product Highlights

  • For Infrared Images
  • Use with 4"-Wide Filter Holders
  • ~88% of IR 780nm or Above Can Pass
  • Blocks Near-IR, Visible, and UV Light
  • ~200x Filter Factor, ~7.6 Stop
  • Acetate Construction
  • Resists Fading
  • Humidity and Static-Cling Resistant
  • Allows Easy Removal of Fingerprints
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Kodak 87 overview

  • 1Description

The Kodak 4 x 4" Wratten 2, 87 Infrared Filter is designed to help capture images of how a subject reflects or transmits infrared light. It can be used with a separately-available filter frame or filter holder that can accommodate 4"-wide acetate filters.

Infrared light waves occupy the space in the electromagnetic spectrum behind visible light due to their longer wavelengths. Many surfaces and materials react to, or emit infrared light waves differently than visible light waves, which provide the potential for photographs of subjects or subject properties that are otherwise invisible to the human eye. Such images require an infrared-sensitive medium such as infrared film or a digital photographic sensor which may be more effective when used without the infrared-blocking filters that are frequently built over them.

Conventional light sources such as the sun, photographic strobes, or incandescent lighting may be used to provide infrared illumination. However, because infrared films or digital photographic sensors can be more sensitive to the relatively higher energy and shorter-wavelength visible light those sources also emit, the effects of infrared light can be otherwise obscured. The Kodak 4 x 4" Wratten 2, 87 Infrared Filter makes it possible to capture images of how subjects are illuminated by infrared light by blocking near-infrared, visible, and ultraviolet light waves while allowing approximately 88% of infrared light waves 780nm or greater into the lens it is mounted onto.

Kodak Wratten 2 filters are constructed from acetate that is formulated to resist fading, as well as static-cling during installation, removal, and storage. The acetate is also intended to prevent condensation from humidity while allowing fingerprints to be quickly wiped away so that optical clarity can be easily maintained.

  • Usable with a separately-available filter frame or filter holder that can accommodate 4"-wide acetate filters
  • Designed for use with infrared film or digital camera sensors by filtering out near-infrared, visible, and ultraviolet light
  • Allows approximately 88% of infrared light waves beginning at 780nm to pass through
  • Effective for infrared films or other media sensitive to infrared wavelengths 780nm or above
  • Filter factor of approximately 200x reduces exposure by about 7.6 stops
  • Fade-resistant acetate construction is formulated to prevent static-cling, as well as condensation due to humidity, and allows easy removal of fingerprints
UPC: 041778975602
Table of Contents
  • 1Description

Kodak 87 specs

Type Infrared Filter
Size 4.0 x 4.0" (101.6 x 101.6 mm)
Density ~2.3
Filter Factor ~200 (~7.6 stops)
Multi-Coated Yes
Effect Helps provide the ability to capture images of subjects illuminated only by infrared light by blocking accompanying near-infrared, visible, and ultraviolet light
Construction Acetate
Packaging Info
Package Weight 0.1 lb
Box Dimensions (LxWxH) 4.0 x 4.0 x 0.5"

Kodak 87 reviews

4 x 4" Wratten 2, 87 Infrared Filter is rated 5.0 out of 5 by 1.
Rated 5 out of 5 by from Infrared Photography Made Easy For those of you that remember the special emulsions or films you needewd to do near infrared photography, you probably also remember that to take infrared photos, you have to have a filter that filters out the visible light. Luckily, CCD cameras are sensitive to both near infrared (light past the red spectrum) AND ultraviolet. With the Wratten 87 filter, the camera sees only what is past the visible spectrum.These filters are indispensable if you want to do IR photography.....they are available in glass as well, but the gel filters are much more affordable.Depending on what kind of camera you have, you may need a gelatin filter adapter...they are ubiquitous at any DSLR camera parts supplier.....Since I use a cheap pocket camera (eg a Canon Coolpix S9500), I simply hold the wratten filter over the lens, or construct a simple adapter....you can find references all over the web for this stuff.....The wratten filters may be cut into any shape.....NB: You can use an infrared laser as an illuminator for night photography, but of course it's spectral output must match that of the filter.....Look up Infrared and Ultraviolet photography on wikipedia for more info....have fun!
Date published: 2013-07-23
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