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This listing is for 1x 720nm inferred filter only,
The 720nm is suitable for general digital cameras, or with DSLRs, to take infra-red photos without modification or removal of IR cut filter.
Infra-red filter allows you to capture an invisible world, the world that is formed by infra-red lights. It also allows you to capture a perfect black and white image with great contrast and avoiding particles in air.
IR Filters are constructed of optical precision ground and polished glass.It is used for photography with infrared films. Infrared film is also sensitive to ultraviolet rays and the shorter wavelengths of the visible spectrum so it is necessary to filter out all but the infrared rays.
Post production needed to achieve full inferred effect.