In 2017, phones with a dual camera setup were found across all price segments, amongst most manufacturers. Experts agreed to the fact that two cameras were sufficient to get great pictures. That has changed quickly in the last year. While it took 10 years for phones to go from having a single camera to two, the progression from two to three, and eventually four has been remarkably swift. In the last year, we have seen the introduction of phones with a triple-camera setup, case in point, the Huawei P20 Pro. Even LG and Samsung got in on the game with the LG V40 ThinQ and the Samsung Galaxy A7 respectively. Samsung also launched the Galaxy A9, with the world's first quad camera. But while this might seem like a gimmick to sceptics, the inclusion of a triple camera setup is really helpful. Here are some reasons why smartphones need more than just one camera to take good pictures.

To make up for the lack of sophisticated electronics

Smartphones inherently are at a disadvantage when it comes to photography because their bodies are simply too small and thin to house the kind of electronics that make professional digital cameras what they are. A single lens in a smartphone can do only so much. While software optimization and artificial intelligence did improve the final results, there clearly was a lack of capable hardware. Hence OEMs decided to add more cameras to not just click better pictures but to also add features that weren’t possible with a single camera before. Like this article? Also read: 4 Phones Launched in 2018 That Are Worth Buying in 2019

To get ‘closer’ to the perfect shot

Smartphones have been ridiculed all along for their incapability of zooming in on a subject. The optics needed for true zoom photography can’t be fit in a body that’s so small. Hence, using multiple cameras can effectively solve this problem. The Samsung Galaxy A7 & the A9 both have a telephoto lens that is capable of zooming in on the subject without losing any detail. While not the most optimum solution, it is definitely better than the digital zoom that simply blows up the image.

To get better low-light pictures

Smartphones with multiple cameras use sensors of different kinds and specifications. In some phones, one of the additional cameras is a monochrome sensor that allows the phone to focus faster and collect sharper image detail. Now the phone’s image processing software combines the picture taken by the monochrome sensor and the primary sensor to give us a picture that is much sharper, cleared and has better colours and dynamic range.

To enable feature-sets like Augmented Reality

The iPhone XS probably has the most exciting application of augmented reality that is made possible with the help of multiple cameras. With the help of the powerful cameras and the A12 Bionic, the iPhone XS supports browser-based AR that lets you try items from shopping websites in the surroundings around you. While shopping is one experience the cameras enhance, it also helps one enjoy AR games. Adding different kinds of lenses in a phone will bring better experiences and features that help take the smartphone photography experience to the next level - so long as it's done without being impractical (financially and technically). In fact, word is that Nokia is working on a camera that has a mind-boggling 5 cameras just at its back. Like this article? Also read: 4 Most Innovative Smartphones To Buy Right Now Image Courtesy: Shutterstock.com

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