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Is it really necessary to have a smartphone with a dual-camera?

The double camera has become indispensable in high-end smartphones, but is it really useful?

Is it really necessary to have a smartphone with a dual-camera?

Since recent years, all smartphone companies, whether the most popular as Samsung and Apple or less known as Xiaomi or OnePlus, have included the double camera in the front camera of their devices, what is this?

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The double camera consists of the use of two image sensors that have independent functions. The main sensor is named RGB (Red, Green, Blue) this is the most common and is present in the conventional cameras of telephones; its function is to capture the colors captured by the camera, according to ABC.

The other sensor may vary depending on the manufacturer, for example, the Huawei P10 included a monochrome sensor that only captures the black and white tonality, this generates a better quality and detail in the photos that were taken in black and white, says La Sexta. However, companies like Samsung, Apple or HTC (and many more) prefer to use a second depth sensor, in order to improve the focus and blur in an image, according to Tecnonauta.

 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Una publicación compartida de Welcome To The Blue Galaxy (@samsungblue_) el

 

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Advantages of the double camera

Now, the advantages offered by the double camera is that by working the two sensors together, you can take pictures with the popular "portrait" mode in which you focus on a person or a nearby object while the background is blurred, generating a more "professional" effect, according to AndoidPit.

Another benefit is that the photos taken offer a greater quality in details, this occurs mainly in smartphones with RPG and monochrome sensors, since it captures with more precision all the range of colors present in the image, Whistleout review.

The zoom is also enhanced with a double camera since usually, the smartphones use a digital-only zoom, but with a second depth sensor, the presence of an optical zoom arises, which increases the magnification in a photo without significantly altering the quality of the image, AndroidPit points.

There are also phones like the LG G5 that included in its second sensor an 8-megapixel wide angle, this allows to capture much more space in the photos, 135 degrees in a single image to be exact, making it possible to take a panoramic without moving the phone, according to Tecnonauta.

In the case of videos, the double camera improves the quality in slow motion, besides maintaining stability and fluidity when recording, which means that when walking or running while a video is captured, it will not be altered by the movement, according to Your Expert.

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Another important point is the luminosity, essential for a good photo, since both sensors combine to allow the entry of more light and therefore, make clearer and sharper images, Tecnonaut review.

Currently, there are brands that have gone further and have included three cameras in their models, the best-known case is the Huawei P20 Pro, which includes an RGB sensor, one of depth and another monochrome. However, the three cameras never work at the same time, since they complement each other between the RGB sensor and one of the two, according to HiperTextual.

For its part, Samsung went a step further and launched its Galaxy A9 with four cameras, divided into a main RGB sensor, a wide-angle to capture 120-degree photos with a single shot, a sensor that maximizes the zoom and a last intended only to the effect of blurring. With this, the South Korean company seeks to innovate even more in the visual communication that allows smartphones, says El Comercio.  

 

LatinAmerican Post | Juan Bacallado

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