The best new Mobile World Congress 2019 smartphones and gadgets

If you follow the technical news, you've probably noticed many new smartphones in the last few days. In fact, the Mobile World Congress in Barcelona is underway and the producers are fighting for your attention. There are many new features to record, so here's a simple overview of the new things you need to know about MWC 2019.

Samsung started with the folding phone
Last week marked the announcement of a whole series of Samsung gadgets just before the start of the MWC. The most practical announcement was the Galaxy S10 with a practical fingerprint sensor located under the screen itself. The most interesting new device, however, was the Galaxy Fold, which opens to reveal a 7.3-inch screen that works like a tablet.

Huawei Mate X is a thinner folding phone with a larger screen
Although the Huawei phone folds, it is very different from that of Samsung. Mate X has a 6.6-inch main screen in the front and a 6.38-inch screen in the back. Open the device and it becomes an 8 inch screen with a total resolution of 2480 x 2000. It looks like a better experience than the Samsung when it's closed, but of course we only know it when we've used them.

The Mate X will hit the market this summer with a price of around $ 2,600. Yes, it's a lot, but I like it better than Samsung, at least at this early stage.

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Microsoft Hololens 2 is the next generation of augmented reality
The first version of Microsoft's augmented reality headset, HoloLens, debuted in March 2016. It did an impressive job of superimposing digital objects in the real world, but had serious limitations, including a complicated calibration process and too small field of view . to get a real dive. Now, however, Microsoft has a new version of the headset that solves many of these problems.
The cameras in the hardware measure the distance from the device to the user's eyes and adjust the image accordingly without manual adjustments. The field of view is both wider and wider, making it a much more engaging augmented reality experience that extends further into the peripheral vision. And the screens offer a higher resolution, so you can see smaller text and place more information on the screen itself.

$ 3,500 HoloLens is still for business customers, so don't expect one of them to help you make food soon. He will be faced with medical or production professionals, as well as educators and their students.
Sony Xperia 1 is a 4K HDR OLED smartphone
With so many acronyms, a smartphone must be good, right? Sony's new flagship is a series of class specifications with a Snapdragon 855 processor, 6 GB of RAM and 128 GB of integrated storage space. However, the real attraction is the screen. The 6.5 inch screen has a very large (or long, if you hold it vertically) with a resolution of 3840 x 1664 4K. It also has a high dynamic range (HDR) and Dolby Atmos Audio support, the sum that makes it more beautiful than your TV at home. To match the screen, the smartphone has three different cameras to photograph different image fields (wide-angle, normal and telephoto) on a 12-megapixel sensor. It also has a function that automatically focuses on the eye of a portrait subject when you take a picture, so you don't accidentally get a fuzzy person with a sharp background.

On paper, the camera looks like a monster, but we know that the specs are not everything. There is still no official price, but it is scheduled for spring this year.

Oppo runs on a photographic lens for smartphones with 10x optical zoom
"Optical zoom" is a term that smartphone manufacturers use quite generously. In the world of cameras, this usually refers to a lens with parts that move inward to change the field of view. A wider field of view makes a wide-angle lens, while a narrow field of view is a telephoto lens. However, smartphones usually add and switch between different lenses and sensors, using digital magic to fill in the gaps. Oppo's new 10x optical zoom smartphone camera has three cameras, the largest of which is just 16 mm (about 50% wider than a typical iPhone camera) and 160 mm, which is even more on TV

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