Because almost all raw processors are optimized for the more common Bayer sensor arrays, Fuji RAF raw files can be difficult to work with. Unfortunately, this unique design causes all sorts of problems for conventional raw processing software. All horizontal and vertical lines contain at least one R, G and B pixel whereas Bayer array sensors do not have R and B in some lines resulting in false colour reproduction. The X-Trans CMOS's 6 x 6 pixel pattern also ensures that colour reproduction is better than that achieved with an ordinary Bayer array. This minimises moiré effects to the point that the X-Trans sensor does not need a low-pass filter, which, in turn, boosts resolution and sharpness.
Learning from our experiences in traditional photography we arranged the patten of red, green and blue photosites on the surface of the Fujifilm X-Trans sensor in a more random manner than in conventional Bayer array sensors. X-Trans color filters are randomized in a way that negates the need for an optical low pass filter, increasing resolution and sharpness while also improving color accuracy. It is named after its inventor, Bryce Bayer of Eastman Kodak.įuji X-Trans sensors, on the other hand, use a proprietary filter pattern inspired by traditional film.
The filter pattern is 50% green, 25% red and 25% blue, hence is also called RGBG, GRGB, or RGGB. Its particular arrangement of color filters is used in most single-chip digital image sensors used in digital cameras, camcorders, and scanners to create a color image. From Wikipedia:Ī Bayer filter mosaic is a color filter array (CFA) for arranging RGB color filters on a square grid of photosensors. The image sensors in most digital cameras use what is called a “Bayer" color filter array.
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