Nokia X7 Review

5 January 2019, 15:13:33

Nokia X7 Review
Nokia X7 is available at promotional prices on Gearbest in several variants: black 6GB+128GB, midnight blue 4GB+64GB and silver 4GB+64GB.

Primary camera

Nokia X7 is equipped with two rear cameras both with Carl Zeiss lenses. The main shooter has a 12MP Sony IMX363 Exmor RS sensor with a 1/2.55" optical format and a 1.4 μm pixel size. The sensor is combined with an f/1.8 lens (80° wide-angle). The same combination of sensor and aperture can be found on the Mi MIX 3 and Xiaomi Mi MIX 2S. Other smartphones that use this sensor for their main cameras are the Xiaomi Mi 8 Lite, Doogee S80, Doogee S70, and Xiaomi Mi 8. On Nokia X7, the main camera is aided by a dual LED High CRI flash, Phase detection with Dual Pixel, EIS for videos and OIS (optical image stabilisation). In reality, the OIS works fine. The main camera takes photos with a resolution of 4032 x 3024 pixels and is capable of shooting up to 4K videos at 30 fps, time-lapse and slow-motion videos. The second rear camera is equipped with a 13MP Samsung S5K3L6 with an f/2.2 lens. This sensor has a 1/3.1" optical format as well as 1.2 μm pixel size. It is used by the main camera of the Nokia X5. The advanced chipset makes them AI-enabled. With artificial intelligence, the cameras can realize deep image learning, background blur, automatic adjustment of colour contrast, intelligent facial recognition. In addition, Qualcomm's Snapdragon 710 chipset arrives with the 14-bit Qualcomm Spectra 250 ISP which supports all of the above features along with zero shutter lag, motion compensated temporal filtering and accelerated electronic image stabilization.

Secondary camera

The front-facing camera of Nokia X7 is equipped with a 20MP Samsung S5K3T1 ISOCELL Slim sensor coupled with an f/2.0 lens. The sensor has a 1/3.1" optical format and a 0.9 μm pixel size. It is AI-enabled and uses 4-in-1 pixel binning. In professional cameras, the pixel binning, pixel skipping and overlapping technologies are not perceived as good practices. However, in mobile photography, it has become very modern to use pixel binning. This is the simplest way to combine the colour information from neighbouring pixels. This sensor is used by the front camera of Xiaomi Mi 8. The selfie camera snaps photos with a resolution of 5120 x 3840 pixels and shoots 1080p videos at 30 fps. It also supports intelligent 3D blur algorithm, AI beautification, face recognition and face unlock. However, only units with the original software for the Chinese market get the face unlocking feature.

Camera App

Nokia X7 employs an in-house developed Camera application. There's a big circular shutter button, centrally placed at the bottom. To its left, there's the shortcut to the camera switch and to its right - the shortcut to the list of photos and videos. Above them, there's a row of the available shooting modes, which include Photo, Video, Slow motion, Time lapse, Pro, Live Bokeh, Panorama, Square. Of those, the Pro mode is the most interesting one. It allows you to manually adjust the white balance, ISO, focus, exposure compensation and shutter speed. If you swipe up the shutter button, you can access another interface for the Pro mode with the same features but displayed all at once. A swipe down resets them. The top of the screen is occupied by a number of icons. The first one is of a hamburger menu which opens the respective camera settings. The first is the Motion on/off one. The second is about adding emojis, the third is for turning on/off the beautification feature. The fourth is about choosing the single, dual-view and picture-in-picture mode. The self-timer and flash options are the last two icons.
The camera settings are pretty simple. They are different depending on whether you're taking a photo or recording a video. The photo settings include the resolution for the front and rear camera, location tag toggle, shutter control and sound, burst shot, HDR support, grid and watermark toggles, mirror photos for the front camera, and scene detection. The video settings include HDR support, shutter sound, grid, location tag, watermark, resolution for videos from the front and the rear camera, data storage and live broadcast account - when you shoot videos you can switch on the live broadcast icon from the top of the screen. The interface for the front camera is exactly the same. It just does not support Panorama and Slow motion shooting.
You can edit the photos with the editor included in the Gallery application. The editing options include adjusting the position, crop, colour, exposure, vignette, contrast, add filters, mosaic, flares, paint and text.

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