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Formatt-Hitech filters are carefully crafted using an advanced and scientific manufacturing process. When developing filters, Formatt-Hitech use advanced spectrography to analyze all spectrums of visible light plus ultraviolet, infrared and near-infrared. Formatt-Hitech use the exclusive Absorbing Cell Technology process to dye the resin. The Absorbing Cell Technology process absorbs color or effect into each cell of the resin rather than coating onto it, ensuring that the color is applied consistently across the filter. This means that each Formatt-Hitech filter is consistently replicated time after time. The densities and formulation of the dying process are strictly computer controlled, creating incredibly accurate filter reproduction.