Why are the images of the Xiaomi Smart Camera C500 Dual blurry?

Several factors will make the images of the Xiaomi Smart Camera C500 Dual blurry, such as an out-of-focus lens, camera resolution, poor light conditions and focal length of the lenses.
If the images of the Xiaomi Smart Camera C500 Dual are blurry, please refer to the following details:
1. Both images are fixed-focus lenses without optical zoom. The enlarged image will appear blurry, which is normal;
2. The focal lengths of the two lenses are different. The PTZ image will appear blurry because the objects closer to the camera are not within the depth of field. This is normal. You can improve the image quality by adjusting the position of the camera.