[https://news.samsung.com/global/samsung-introduces-1-2%CE%BCm-50mp-isocell-gn1-with-faster-auto-focusing-and-brighter-images] a new 50MP camera sensor which comes with both, Dual Pixel autofocus and
Tetracell pixel binning, the first of its kind by the company. Known as the
ISOCELL GN1, the camera sensor has been touted to have autofocus speeds
comparable to a DSLR and even better low light capabilities but one of the key
features of the GN1 is a larger pixel size of 1.2?m.
According to Samsung, its proprietary Tetracell technology can double the image
sensor?s pixel size to obtain an effective size of 2.4?m. Additionally, it also
quadruples the light sensitivity to take brighter 12.5MP photographs.
Tetracell is a pixel-merging technique that improves light sensitivity by
binning four-pixel signals into one which essentially increases the pixel
capacity. Notably, the Samsung Galaxy S20 Ultra used Nona binning (nine pixels
into one) technology with the 108MP ISOCELL HM1.
The ISOCELL GN1 also boasts Dual Pixel PDAF with 100 million phase-detection
autofocus agents. Samsung says that this tech receives light from various angles
for phase detection by placing two photodiodes side-by-side within a single
pixel. The sensor also has an algorithm that can produce images with resolutions
comparable to 100MP by taking information from every photodiode.
The Dual Pixel autofocus tech, along with Tetracell, has been described to allow
detection and focus on objects that are still or in-motion instantly giving
sharp and bright images, even in low light conditions.
Additionally, the Samsung ISOCELL GN1 is equipped with Smart-ISO that has the
ability to select the optimal ISO. It can even capture images in multiple
exposures simultaneously with the help of real-time HDR. It even supports video
qualities of up to 8K resolution at 30 fps.
The ISOCELL GN1 will start mass production this month but we will have to wait
to find out when the sensor finds its way into a smartphone.
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