New flag model of the Chinese manufacturer, Xiaomi MIX 4, offers a truly special wide - angle camera in its equipment. It can create photos without distorting the edges.
Xiaomi MIX 4 special wide angle camera
In recent years, ultra-wide angle cameras have become increasingly popular in our smartphones. In terms of benefits, the ultra-wide-angle lens offers a larger angle of view, so more space will fit in your photo. The image is richer in depth, which you will appreciate, for example, when shooting taller subjects.
However, the ultra-wide sensor also has its disadvantage, which is a slight distortion of the image. Traditional sensors in smartphones mainly use symmetrical aspherical lenses with a fixed curvature. These can cause an overall distortion of up to 20%, which you will notice especially when looking at the edges of photos.
Devices usually use anti-distortion algorithms from the manufacturers' workshop to correct these images. However, correction usually requires cropping a portion of the image. The problem, however, is that after cropping, the ultra-wide image will be less wide, which is a paradox, given the primary function of this photographic sensor.
Smart Fusion: 120 ° sharp images without image distortion
The Chinese manufacturer Xiaomi also looked at this issue and tried to eliminate image distortion in the case of its new flagship smartphone. Xiaomi MIX 4. The key to success is improved hardware. Specifically, it is an ultra-wide-angle free-form lens. The freely shaped surface of the lens is more flexible and can more accurately calculate the aberration of the field of view of the image.
Each point of the image is adjusted one by one to create a unique curvature without cropping by a software algorithm. This makes it possible to create 120-degree images without distortion and with a wide field of view. In addition, the hardware enhancement brings higher image quality, the resulting image is wider and literally "ultra-wide".
Function is also important Smart Fusionwhich also creates a sharp center of the image. After selecting an ultra-wide angle camera, it and also the primary sensor will start taking photos at the same time. These images are then combined, with the viewing angle of the center of the image being 85 degrees and the center of the image coming from the main 108 MPx camera. The surrounding part of the image is then captured by an ultra-wide sensor, making the resulting photo very sharp.
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