What is a dual camera on a phone?

More and more phones are equipped with dual cameras and extremely advanced photography technologies. So what is a dual camera on a phone and how does it work? Let’s find out with Dien May Xanh in this article!

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What is a dual camera on a phone?

Dual Camera (Dual Camera) is a system consisting of 2 lenses, the first lens plays the role of capturing the image of the subject, the second lens works to build effects for the captured image such as: angle image. wide (available on Samsung Galaxy Note 9), remove fonts (on OPPO F11), take black and white photos (on Huawei P9)…

The photography modes on the current smartphone dual camera

Up to now, the secondary camera on smartphones can be listed as: telephoto lens, wide-angle / ultra-wide lens, depth sensor and black and white sensor.

Wide/ultrawide (wide/ultrawide) lens

Thanks to the wide-angle secondary lens, the smartphone can assist you in capturing photos with angles up to 120°~123°.

For those of you who love to travel or have a hobby of taking wide-angle shots, this secondary camera is a great assistant to help you stand close but still capture the entire landscape such as temples, churches, …

However, like professional DSLR cameras, wide-angle or ultra-wide lenses on smartphones still have the disadvantage of being distorted at the image angles. The wider the camera, the more visible this distortion is.

Some famous smartphones now have this mode including: Samsung Galaxy S10, Galaxy S10+, Samsung Galaxy A7 2018, Galaxy A9 2018,…

Telephoto lens

The telephoto lens gives you the flexibility between taking a normal angle shot on the main camera or taking a close-up shot with the telephoto lens.

In addition, another use of the telephoto lens is that it can zoom to the subject to be photographed if the distance is quite far, which is quite useful in portraiture for those of you who like to take photos of both the background and people.

Currently, phones that support telephoto lenses are very popular, such as: iPhone Xs Max (12 MP telephoto lens, with OIS optical stabilization and 2X optical zoom), Samsung Galaxy Note 8 (12 MP telephoto lens). , OIS, 2X zoom), Huawei P30 Pro (8 MP resolution, 5X zoom, OIS) or Huawei P30 (8 MP telephoto, 3X zoom, OIS),…

Depth sensor

The depth sensor supports the capture of fonts, the machine can identify the subject to be photographed, then remove the surrounding background to make the subject more prominent.

This camera feature is very convenient in taking selfies, taking portraits or taking pictures of objects and food, when the surrounding scenery is not beautiful, many distractions, making you want to blur it out.

Depending on the camera quality, each smartphone will produce a different ability to remove fonts: There are standard font removal machines, not smeared on objects, but with cheaper smartphones, removing fonts will have a little error.

Black and white sensor (monochrome)

If taking colorful photos has bored you, and you want to return to something nostalgic or old, the ability to shoot black and white on smartphones will help you with this.

However, now that this monochrome feature is just beginning to develop, the Nokia 9 PureView series of phones with up to 5 cameras is one of the leading smartphones in technology.

Hope the article helps you in understanding more about dual camera technologies on the market today. If you have any questions, don’t hesitate to share them with Tnhelearning.edu.vn!

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