What are the basketball photography tools?

First, close the distance: the zoom function of the mobile phone camera is not lazy. If a friend is willing to take a picture, he can zoom out the focal length of the mobile phone. The focal length of a mobile phone is the same as that of a camera. The image quality is not seriously damaged. I come closer and take pictures. Second, the hand focus: the phone is blurred when taking pictures, and it is not focused. Usually what I need is to click on the camera screen. Start HDR function: The mobile phone has HDR function. Simply put, it is to increase the contrast, especially when taking empty shots at dusk. The color of the scene is not clear and transparent. Start HDR and let the phone take a beautiful scene. Try it quickly. 4. metering: it is very important to take pictures with a mobile phone camera. It is called photometry. It's no darker than taking pictures indoors. I should focus my phone before shooting to get higher exposure. I need to shoot something. The light is brighter than my empty shot. I should give me a light darker than an empty cloud.