IR680 camera filter is so named because it will filter out most light below and above the wavelength of 720 ,760 ,850, 950 ,nanometers (Near infrared). The filter blocks most visible light and is therefore very opaque. In addition a cameras auto exposure will not work. It is recommended that a tripod be used in conjunction with this filter because exposure times tend to be quite long. When using this filter, compose your scene first, then attach the filter. Most digital camera sensors are inherently sensitive to infrared wavelengths. To prevent the auto exposure system from miscalculating exposure settings, digital cameras incorporate infrared blockers and special lens coatings. In spite of this, unique variations of uncontrollable focus, improper exposure and hot spots can create spectacular artistic effects. Infrared X-Ray "See Through" Multi-Coated IR Filter This filter can help you to see perfectly through sunglasses and dark, tinted car windows IR filters used in conjunction with an IR sensitive camera can sometimes see things completely invisible to the human eye Other applications where the IR filter can be used include: environmental studies, natural resource studies, monitoring geographical changes What are you waiting for? This filter will give you hours of photographic fun! Why choose Zomei filters? Zomei filters are perfect for digital SLR cameras or traditional 35mm SLR applications. Great for use with: SONY,Canon, Minolta, Nikon, Pentax, Olympus, etc.
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