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X-Trans CMOS
Continuous Evolution on Resolution
and Color Reproduction
X-Trans™ CMOS *1 sensor developed by Fujifilm.
Nurtured the idea from film technology,
X-Trans controls moiré while achieving high resolution without the use of a low-pass filter.
Learn more about X-Trans
X-Trans is Fujifilm’s trademark or registered trademark.
X-Trans CMOS 4
4th generation sensor for the X series – A Back-illuminated sensor
Boasting a resolution of 26.1MP, the sensor uses a unique color filter array, synonymous to X-Trans CMOS sensors, to control moiré and false color without the use of an optical low-pass filter. Its back-illuminated structure enhances image quality while maintaining a high S/N ratio. Furthermore, ISO160, previously available only as extended ISO, is now part of the normal ISO range, allowing you to achieve incredibly clean, noise free images.
Moiré is controlled by a low-periodic color filter array
that replicates a highly random arrangement of silver
particles on the analog films and efficient color
interpolation from surrounding pixels.
Arrangement of all three RGB pixels on every single line
RGB is always placed on any horizontal or vertical line to correctly interpolate colors in high-frequency images
Arrangement of G pixel on all diagonal lines
G pixels are placed in all diagonal lines. It improves the accuracy of diagonal high-frequency image detection and color interpolation
conventional cameras
High resolution by eliminating
an optical low-pass filter
History of X-Trans CMOS
Fujifilm has been innovating sensors to achieve high image quality in digital photography since silver halide film.
CCD
CCD EXR
based on film technology
with phase detection pixel
CMOS III, achieving high speed
reading by copper process
26.1MP X-Trans CMOS 4
illuminated X-Trans CMOS
sensor in development
Bayer filter array in conventional cameras
Bayer filter array has only two colors per line.
The design does not allow pixels to exist diagonally.
Bayer filter array causes image quality degradation called moiré.