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Infrared radiation is a part of optical radiation: the wavelengths of light. Light with longer wavelengths is not perceptible to the human eye. Infrared filters were designed to let the infrared radiation through but block all visible light. In this way, details can be photographed that are actually not visible. In the following guide, all information about the infrared filter is explained in more detail. What is it, what does it serve for and what do I have to consider when making a selection?
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Our Top Infrared filter Pick
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Photo & Camera: Infrared filter Video Guide
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Nowadays almost all cameras have an IR cut filter. This prevents blurring and colour falsification due to infrared light. However, the infrared light is not completely filtered out, making it possible to take infrared pictures with many cameras. The infrared filters are available in various thread sizes and degrees of permeability. The infrared filter suppresses the visible light so that the images are created based on the infrared radiation. Photographers can use these filters to get interesting artistic and creative photos. Infrared filters deliver fascinating images with an extremely high black-and-white contrast. The 850 mm filter is suitable for this. There are also filters that allow a small part of the light to pass through. A 720 mm filter is well suited for this purpose. Both infrared filters are included in the following set: Neewer® 4 pieces infrared x-ray filter set: IR720, IR760, IR850 and IR950 / including filter carrying bag for various NIKON DSLR cameras This infrared filter set includes..: IR720, IR760, IR850 and IR950 infrared filters and a carrying bag. The lens is not included. The infrared filters consist of a high-quality optical glass and a high-quality aluminium alloy. The double threaded frame allows additional filters or hoods. The filters create fascinating images. Longwave light is reflected differently by the photographed objects compared to visible light. The atmosphere emanating from infrared images can be described as fairy-tale.
Infrared radiation can penetrate haze or impurities in the air much better than visible light, so that distant objects can be better recognized in the infrared range and the images are therefore more qualitative. This is advantageous for aerial photography, for example. By using the filter interesting effects are achieved and the contrast is increased. Infrared images can be produced well and cheaply, especially with a digital camera. Almost all models are suitable for infrared images, cameras with a weak IR cut filter even better than those with little infrared light reaching the sensor. System and SLR cameras are more ideal for attaching the filter because they have a filter thread. Some cameras are equipped with an adapter ring for a filter, which is pushed onto the lens. If it is not possible to attach the infrared filter, it can be held in front of the lens if necessary.
An infrared filter has several advantages and produces impressive images. Photography thus offers great creative potential. Depending on the permeability rate, grey tones can also be transformed into fascinating black-and-white contrasts of varying intensity. The selection should be considered: The lower the wavelength, the higher the residual proportion of visible light. This means that the greater the wavelength, the less visible light is transmitted. For infrared images, a tripod should be used, as the dark infrared filter requires long exposure times. Image detail and sharpness are adjusted before the filter is screwed on.
