Samsung has announced a new 50MP camera sensor named ISOCELL GN2. This new sensor is the sequel to the previous ISOCELL GN1 and it comes with bigger pixels and lower energy consumption. In addition, the new ISOCELL GN2 also features a totally new PDAF technology called Dual Pixel Pro.
It has a sensor type size of 1/1.12-inch which is the largest to be developed for a smartphone yet and the 1.4μm pixel size is expected to help click particularly detailed photos using normal mode. In low light, the sensor will resort to quad-pixel binning resulting in a large 2.8μm pixel size. According to Samsung, it uses “an intelligent re-mosaic algorithm”, enabling the capture of photos in 100MP resolution by re-arranging the colour pixels. This is actually done using three 50MP RGB layers which are overlaid, upscaled and merged to produce 100MP photos.
Speaking of Dual Pixel Pro PDAF technology, it will split the green pixels out of RGB diagonally as opposed to the common practice of splitting it vertically. This allows the sensor to read phase differences across both top to bottom and left to right. What all this means is that it could really boost the auto-focus speeds in both daylight and low-light situations which was an issue with the previous iteration.
The new Samsung ISOCELL GM2 will feature Smart ISO Pro which will help create instant HDR images with less motion blur and in terms of video recording, it supports 1080P at 480 fps or 4K at 120 fps. We should be able to see this new sensor in action pretty soon as it is already undergoing mass production.
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