The new sensor actively adjusts exposure throughout the image, letting more light into underexposed sections and less into the overexposed bits | Source Nikon
Nikon announces 4K, 1,000-fps video sensor with adaptive exposure
Nikon cameras have announced a new sensor, which could be a game-changer, with super-slow motion, huge dynamic range, and exposure live-adjusted throughout the image.
Announced at the International Solid-State Circuits Conference in San Francisco, the new CMOS sensor has a resolution of “approximately 17.84 million pixels” and a square shape around 1 inch diagonally. Its high-speed readout allows you to shoot 4K video at up to 1,000 frames per second – putting it in contention with monsters like the Phantom Flex 4K costing more than 70 lakhs. Even at 1,000 fps, it still offers a wide dynamic range of 110 dB, but if you slow down to 60 fps that figure jumps up to 134 dB.
And it’s got a pretty neat process for dealing with overexposed and underexposed areas in the image; the new sensor runs two image sensors on top of one another. The top sensor’s pixels are grouped into blocks of 16×16, effectively making it a 256 x 256 superpixel array, and as light passes through it on the way to the bottom sensor, each superpixel on the top layer takes its own exposure measurement and uses it to control the exposure time for the group of 256 smaller pixels below it.
In this way, the camera lets more light into areas of the image that need it, and less light into the bits that are too bright. A promising concept and although Nikon Japan has announced this, there is still no information about when the camera featuring this new sensor will be available in the market. But, it is definitely something to look forward to.
Frames from a 1,000-fps capture of a cigarette lighter sparking | Source Nikon
By Tulsi Swarna Lakshmi | Published on February 24, 2021
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