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2014年1月,飞思正式发布采用50 0 0万像素C M O S传感器的中画幅数码后背I Q250。飞思之前的I Q系列数码后背直采用CCD传感器,IQ250是飞思首款CMOS传感器的中画幅数码后背。IQ250拥有5000万像素,传感器尺寸44×33mm,镜头焦距转换系数1.3,照片高分辨率8280×6208。得益于CMOS传感器的各项优点,IQ250动态范围可达到14挡,14位色深,感光度范围覆盖ISO 100-6400。相对现有的CCD数码后背IQ250拥有更出色的高感
In January 2014, Freescale officially announced its mid-format digital back I Q250 with a 50 million pixel CMOS sensor. Before the Phase One thinking I Q series digital back straight with CCD sensor, IQ250 is Phase One first CMOS sensor medium format digital back. IQ250 has 50 million pixels, the sensor size 44 × 33mm, the lens focal length conversion factor of 1.3, the photo high resolution of 8280 × 6208. Thanks to the benefits of CMOS sensors, the IQ250 dynamic range can reach 14 stops at 14-bit color depth with a sensitivity range covering ISO 100-6400. Relative to the existing CCD digital back IQ250 has a better sense of high