Sony's image sensor forms the core imaging technology behind many top cameras and today the company has announced the world's first product to significantly improve the quality of its imaging smartphone. The new CMOS IMX586 CMOS image sensor has the highest pixel resolution available on smartphones, delivering 480,000 effective pixels. This is significantly more pixelated than the main camera in the Huawei P20 Pro, even less than Sony's high-end A7R III lens.
This high resolution is achieved by creating extremely small pixels of 0.8 μm wide, allowing 48MP to be mounted on a chip with only 8mm diagonal lines. The main advantage of this high pixel count is the advanced digital zoom capability of image and video mode. In addition, the camera can store full 48MP images for later cropping while retaining acceptable detail. However, extremely small pixels have significant limitations because smaller pixels are less effective at capturing light than larger pixels. This is one of the reasons why some cameras (such as the Sony A7S series) choose a small number of large pixels to achieve lower light performance at the resolution level. However, excellent low light performance is also the basis of smartphone photography, so the Sony IM586 performs a "Quad Bayer" color filter array similar to that used by the Huawei P20 Pro.
The Sony IM586 can selectively optimize sensitivity instead of image resolution by dividing 2x2 adjacent 0.8μm pixel blocks into larger 1.6μm pixel pixels. In this mode, the sensor produces better low-light images with a resolution of up to 12MP. Quad Bayer arrays are grouped by arranging adjacent 2x2 pixel groups with filters of the same color as the different colors as a standard Bayer array.
The Sony IM586 also promises a fantastic dynamic range of four times that of the "traditional product," though the announcement does not really name any such product. One disadvantage of ultra-high resolution sensors is that the other specifications of the smartphone may also require significant upgrades to handle all the additional image data. For example, if you want to maintain the same shutter speed as a 12 megapixel camera, 48MP devices will need to transfer data at four times the speed and provide about four times the storage capacity.
The IMX586 also has the ability to capture 30 full-resolution images at 30 fps, as well as 4x 90fps video, which is a greater burden for any image processing your phone may need. For this reason, I hope that the new sensors will work best on the top models, but these phones can deliver great performance, especially when configuring a multi-camera solution High resolution IM586. Better sensitivity of the secondary camera module.
Advanced smartphone models require higher image quality. The new Sony 480,000-pixel CCD sensor is comparable to a high-performance SLR camera, which allows you to capture high-quality, high-resolution photos even with your smartphone. The new sensor uses a Quad Bayer color filter array with 2x2 pixels adjacent to the same color for high sensitivity shooting. During low-light shooting, signals from four adjacent pixels are added, increasing the sensitivity to the equivalent of 1.6 μm pixel (12 million pixels), resulting in brighter, less noise.
In addition to these advantages, Sony's original exposure control technology and native signal processing functions are integrated into the image sensor, allowing up to four times the real-time and dynamic range output compared to other common equipment. Even scenes in bright and dark areas can capture the smallest highlights or lose details in the dark. The new product reaches the world's smallest 0.8 micron pixel, including 480,000 effective pixels per 1/2-type (diagonal 8.0 mm) to support the camera's advanced image.
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