![]() The preferred technology going forward is CMOS, which will eventually leave CCD behind for most applications. Some market insights indicate CMOS dominates well over 90% of the digital imaging market, with scientific CMOS sensors becoming more widely available for sensitive applications. However, dramatic improvement in CMOS manufacturing and design (also used for microprocessors and RAM), CMOS based cameras have quickly replaced their CCD based counterparts. Historically (for the past twenty or so years), CCD sensors have been the standard for mission-critical applications like medicine, astronomy, high-end video production / still photography, and other areas where high-quality is of great concern. The reign of CCD sensors has ended losing popularity CMOS is likely to replace CCD completely. CMOS sensors are newer, and have been in use since 1995. The “3” in 3CCD denotes the use of 3 CCD sensors, one for each color (red, green, and blue). CMOS stands for “complementary metal–oxide–semiconductor” and uses the same tech found in computer processors and RAM, while CCD stands for “charge-coupled device” using a unique technology in widespread use since the 1980’s. Very simply put, an image sensor is digital circuit that conducts light and converts it into a digital signal.
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