Frontal camera gives a very good picture quality even in low light conditions and is able to recognize faces. It will be sufficient for high quality video through Skype or similar program, and for good selfies. But more interesting is the main camera of Jiayu S3. The manufacturer not only equipped it with a famous and high quality Sony Exmor IMX214 image sensor with F2.0 lences, but also installed two LEDs for flashlight, so you can expect better images in low light conditions.
The native camera application does not have a lot of settings, as well as suffers an addiction to incorrect choice of the ISO parameter, so it is best to use a third-party camera program, such as Camera FV-5.The geometric distortions of images are very reasonable, although noticeable. But this disease affects almost all mobile cameras, and most of them – to a much greater extent.
The reasons are the small size of the image sensor, and compactness, simplicity and cost-efficiency of the optical system. On the other hand, images have virtually no chromatic aberrations, which is quite rare for phones cameras. I am not inclined to believe that the lens system is so good that it does not give chromatic aberrations, but they are well treated by the software, and, apparently, the manufacturer paid attention to this problem in the camera drivers. That is a good point. Sharpness in the center of photos is excellent, at the edges, especially in the corners, it is much worse, but, again, this is no crime, as we can observe the same situation in 99% of mobile phone cameras. LED lighting is very bright, compared to most other phones. Two LEDs are not only brighter, but also capture a larger area of the space, not only illuminate forwards.
However, they have the same color. Still, I haven’t notice any serious problems with the white balance. I think the LEDs of different colors in the iPhone is more a marketing feature than a real need. Like it or not, but one, two and even three LEDs will not replace a real Xenon flash. Even an inexpensive simple hand-held camera will show the better results in the dark at the expense of a larger image sensor and better flash. However, the results when shooting in low light with flash are not bad. Without flash, the image quality in such conditions, as one would expect, leaves much to be desired. In general, the main camera of Jiayu S3 Smartphone more than fulfills its money. I took a few photos with the standard camera application with default settings, as well as several pictures with Camera FV-5 app with a slightly adjust settings.