The OPPO Reno 2 Cameras, explained: a mid-range with four cameras and a monochrome sensor that aspires to be measured with premiums


If something made clear OPPO during the presentation of this new smartphone is that it is an ambitious mid-range. Very ambitious So much so that if we stick to its specifications and some of the technologies it incorporates, it seems to be able to measure yourself from you to you with high-end mobile phones that have a strong photographic vocation. In fact, as we will see throughout this article, it has inherited some of the technologies that OPPO introduced a few months ago in its Reno 10x Zoom.

Interestingly in its configuration it is difficult to find, beyond its Snapdragon 730G SoC, features that clearly position it in the mid-range. Its AMOLED Full HD + screen, its 8 GB of RAM, its fingerprint reader under the screen, its 4,000 mAh battery, and, above all, its four rear cameras, are typical high-end components. From a global point of view it looks great, but its cameras are especially attractive, among other things, because one of them incorporates a monochrome sensor that offers us new creative options. Let's investigate them to know them in more detail.

OPPO Reno2: technical specifications

Before we investigate the shooting modes and technologies that OPPO has implemented in this smartphone it is interesting that we briefly review the characteristics of its four rear cameras, so let's go there. The main unit is supported by the fashionable sensor: the Sony IMX586 48 megapixels and a size of 1/2 "that we can find in a large sample of current mobile phones, such as the OnePlus 7T Pro or the Realme 5 Pro, among many Others The optics that work in tandem with this sensor have an aperture value of f / 1.7, optical stabilization and autofocus by phase detection.

Four cameras reside on the rear panel of this mobile: the main one, high resolution; a telephoto lens with 5x hybrid zoom, a wide angle and a camera with monochrome sensor

The second camera that this mobile has is a telephoto lens that is supported by a 13 megapixel sensor with a size of 1 / 3.4 "and an optical with aperture value f / 2.4. This combination is not as ambitious as the of the Reno 10x Zoom, which proposes a 10x hybrid zoom, but its 5x zoom, also a hybrid, is not bad, especially on a phone that does not exceed 500 euros.In addition, it also has a wide-angle camera that incorporates an 8 megapixel sensor with a size of 1 / 3.2 "and an optics with a capture angle of 116 ° and an aperture value of f / 2.2.

The last of the four cameras is what gives this mobile phone an unusual originality. And it is that it uses a monochrome sensor of 2 megapixels of 1/5 "with photodiodes with a very respectable size: 1.75 µm. The optics associated with this component has an aperture value of f / 2.4. At first it seems reasonable To think that this camera is similar to the monochrome unit that Huawei introduced last year in its P20 Pro (and that this year it has removed from the P30 Pro), but no, its philosophy is different. We will investigate it in the next section of the article.

OPPO RENO2


DIMENSIONS AND WEIGHT       160 x 74.3 x 9.5 mm
                                                             189 grams

SCREEN                                             6.5 inch AMOLED
                                                             FullHD + Resolution (2,400 x 1,080 pixels)
                                                             500 nits of brightness
                                                             Screen / front ratio: 93.1%
                                                             Gorilla Glass 6

PROCESSOR                                     Snapdragon 730G
                                                             Adreno 618 GPU

RAM                                                   8 GB

INTERNAL STORAGE                   256 GB

REAR CAMERAS - Main camera: 48-megapixel and 1/2 "Sony IMX586 sensor, optical with   aperture value f / 1.7, autofocus by phase detection and optical stabilization
- Telephoto: 13 megapixel and 1 / 3.4 "sensor, optical with aperture value f / 2.4 and autofocus by phase detection
- Wide angle: 8 megapixel and 1 / 3.2 "sensor with 116º optics and f / 2.2 aperture value
- Monochrome camera: 2 megapixel and 1/5 "sensor with 1.75 µm photodiodes and optics with aperture value f / 2.4
- Dual LED flash
- Video recording up to 2160p @ 30 FPS and 1080p @ 60 FPS

FRONT CAMERA- 16 megapixel and 1 / 3.1 "sensor with 1 µm photodiodes, optical with aperture value f / 2, LED flash and video recording 1080p @ 30 FPS
- Motorized fin mechanism

BATTERY                                      4,000 mAh
                                                        VOOC Flash Charge 3.0

OPERATING SYSTEM              Android 9 Pie with ColorOS 6.1

CONNECTIVITY                        Dual Nano SIM
                                                       GPS
                                                       Bluetooth 5.0
                                                       WiFi ac
                                                       NFC
                                                       Micro USB

OTHERS                                      Fingerprint reader under the screen



The role of the monochrome sensor: promoting artistic photography

The relatively small resolution of the monochrome sensor that incorporates this Reno2 (it has "only" 2 megapixels) reveals in some way what role it plays in this smartphone. On the one hand it intervenes when we decide to apply the black and white filter to our photographs, but this does not mean that we are taking the snapshot only with this sensor. If so, the image would be relatively small because its resolution is moderate.

The black and white camera acts as a support unit that tells the processing software what color gamut to use when we decide to activate the monochrome filter (in this case it enables grayscale). This means that this camera works in tandem with the main unit to allow us to obtain photographs with a very high resolution and a high level of detail that should be evident when using the black and white filter. If the processing software manages to solve this situation really well (we can check it when we have the opportunity to analyze this phone thoroughly) it could be a very interesting creative tool, especially for fans of black and white photography.

However, this is not all. As we have reviewed a few paragraphs above, the monochrome sensor of this mobile incorporates photodiodes with a very respectable size (1.75 µm), so, although we have not been able to confirm it with OPPO, it seems reasonable to think that this camera also acts when we use the night mode given the high light recovery capacity of its photoreceptors. What OPPO has confirmed is that this camera also puts its grain of sand when we use the portrait mode, allowing the main unit to capture the detail of the subject in the foreground to dump it with the background information. It will be interesting to check the quality of the background blur of this terminal when we have the opportunity to try it.

"Ultra Dark" mode for night photography

The photograph that you can see below is just a recreation elaborated by OPPO to illustrate the capacity of light collection that this mobile phone has when we activate the «Ultra Dark» mode, so it is prudent that we take it «with tweezers». In any case, this Chinese brand ensures that this smartphone incorporates a completely new technology with which we can take pictures in spaces with hardly any ambient light.

The strategy that most brands are betting on in this context is to take a burst of photographs with a relatively long exposure that aims to recover all the light and detail possible to combine them later in a single shot. The problem is that this strategy often becomes a very high noise level that can even ruin a photograph. To solve it OPPO claims to have developed a noise reduction algorithm that uses artificial intelligence to perform well in this shooting scenario. Of course, we will check when a unit of this mobile falls into our hands.

The strategy that most brands are betting on in this context is to take a burst of photographs with a relatively long exposure that aims to recover all the light and detail possible to combine them later in a single shot. The problem is that this strategy often becomes a very high noise level that can even ruin a photograph. To solve it OPPO claims to have developed a noise reduction algorithm that uses artificial intelligence to perform well in this shooting scenario. Of course, we will check when a unit of this mobile falls into our hands.

Another especially interesting feature of the new Reno2 is its ability to allow us to take photos in macro mode. According to OPPO, it puts in our hands an equivalent focal length of 2.5 cm thanks to the joint work carried out by the wide-angle camera and autofocus by phase detection. The sample photographs that the Chinese brand showed us yesterday, during the presentation, had a surprising level of detail, but they were only photographs prepared for the occasion. This feature looks good and is interesting for any macro photographer, but, once again, we will have to wait for our analysis to assess how high this mobile is in this shooting scenario.

OPPO Reno2: price and availability
The new OPPO Reno2 can now be purchased in Spain in two different colors (black 'Luminous Black' and blue 'Ocean Blue') and priced at 499 euros for the version with 8 GB of main memory and 256 GB of secondary storage .



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