There’s been a bit of misunderstanding over exactly what Canon’s Dual Gain Output (DGO) is on the newly announced Canon EOS C70 4K Super 35mm cine camera. Some have speculated that it might be something akin to dual ISO (given that gain and ISO are often interchangeable in the video world) and, well, sort of, but not quite.
Canon has released a new white paper detailing what Dual Gain Output for their new 4K Super 35mm sensor is and exactly how it works to provide over 16-stops of dynamic range.
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