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Canon reveals 250-megapixel image sensor
September 15, 2015, 3:19 pm

The megapixel challenge took on a new turn this week with Canon, the Japanese electronics giant, announcing a head-reeling 250-megapixel image sensor. The 19,580 x 12,600) APS-H CMOS sensor sets a world record for resolution in its size, and is reported to be capable of distinguishing the lettering on an aircraft from a distance of over 18km. APS-H is a sensor size bigger than APS-C but smaller than full-frame, and is primarily used on Canon's legacy EOS-1D line of DSLRs.

The sensor has a fast signal readout speed of 1.25 billion pixels a second, and Canon says it has good noise performance despite the pixel count. Beside photos, the sensor can be used to capture incredibly high-resolution video — about 30 times sharper than 4K — at five frames per second. Canon says the technology could be used in "specialized surveillance and crime prevention tools, ultra-high-resolution measuring instruments and other industrial equipment, and the field of visual expression."

While you cannot expect to see this sensor on your next DSLR, remember that Canon had announced a 120-megapixel APS-H sensor back in 2010, when this year’s 50-megapixel EOS 5DS would have been unthinkable.

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