Photography quality problem

There are several possibilities: 1) exposure is different, the average person looks white and tender with a little overexposure, and yellow with an underexposure; Try to use M files in portrait photography. 2) The color difference of the camera, the result of automatic white balance is different every time the shutter is pressed, which can be solved by adjusting the color temperature. 3) Difference of ambient light. It is usually better to shoot in good lighting conditions, such as 7: 30-8: 30 in the morning, 4: 00-5: 00 in the evening, cloudy days, bright pavilions, bright shopping malls and so on. And try to make your face and eyes bright when shooting. If the light is too weak, it is a challenge for equipment and technology to take a delicate portrait. In this case, try to use low ISO and tripod slow door shooting. 4) The camera sensitivity setting will have an impact on the delicate feeling. Generally speaking, ISO 100-200 lenses are oily. I think it's ok for the time being. Have a good time. Hangzhou laoshen photography training