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The Singh-Ray I-Ray Infrared Filter is designed to help capture images of how a subject reflects or transmits infrared light.
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 Singh-Ray I-Ray 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 infrared light waves 750nm or greater into the lens it is mounted onto.
This filter features a 100mm-diameter sprocket mount for use with Cokin Z-Pro filter holders. This design allows you to insert the filter in the slot closest to the lens for minimizing the amount of light between the filter and lens. The sprocket itself is constructed from plastic, while the 88mm-diameter filter substrate is constructed from highly polished glass.
Designed for use with infrared film or digital camera sensors by filtering out near-infrared, visible, and ultraviolet light
Allows 90% of infrared light waves beginning at 750nm to pass through
Effective for infrared films or other media sensitive to infrared wavelengths 750nm to 1,200nm
Constructed from optical glass for clarity
2x to 4x filter factor reduces exposure by 1 to 2 stops
100mm-diameter sprocket mount is designed for use with Cokin Z-Pro filter holders and enables use of other rectangular filters within the same holder
Leatherette pouch with microfiber interior for storage and transport