What configuration should I mainly look at when buying a digital camera?

When purchasing a digital camera, you can consider the following configurations and functions:

1. sensor type and size: the sensor is the core component of a digital camera, which affects the image quality and low light performance. Common sensor types include Quan Huafu, APS-C and Micro-43. The larger the sensor size, the better the image quality.

2. Resolution: Resolution refers to the number of image details that the camera can capture, usually in megapixels (MP). A higher resolution can provide more details, but it will also increase the file size.

3. Lens system: If you need more creative control and flexibility, you can choose a digital camera with a replaceable lens system. Different lenses can achieve different shooting effects, such as wide angle, telephoto and macro.

4. Optical zoom range: If you need to zoom far and near when shooting, you can pay attention to the optical zoom range of the camera. A large zoom range means that the camera can shoot objects at different distances without changing the position.

5. Shutter speed and continuous shooting performance: Shutter speed determines the sharpness of the camera when capturing motion or quick action. Continuous shooting performance refers to how many photos a camera can take continuously after pressing the shutter button once.

6.ISO range: ISO determines the performance of the camera in low light. A higher ISO range means that the camera can get better exposure in dark environment, but it may also introduce noise.

7. Focusing system: The speed and accuracy of the focusing system are very important for capturing motion or shooting moving objects. Pay attention to the number of focus points, focusing speed and tracking function of the camera.

8. Video function: If you need to shoot video, you can pay attention to the camera's video resolution, frame rate, audio input and other functions.

9. Operation interface and human-computer interaction: The camera's operation interface should be intuitive and easy to use, providing enough manual control options to meet personalized creative needs.

10. battery life and storage medium: consider the battery life and storage medium of the camera to ensure that there will be no power failure or insufficient storage space during shooting.

The most important thing is to choose the appropriate digital camera configuration according to your own needs and budget. It is recommended to read product reviews and user reviews before buying, so as to make an informed decision.