When taking outdoor photos, try to use it as much as possiblelens hoodThis is very beneficial for improving the quality of photography. A set of experiments was conducted under the same testing conditions (backlit and distant). Take photos of two groups with and without a light shield. Among them, the group of images using a light shield showed a significant improvement in image quality compared to the group of images without a light shield! Manifesting as: The halo in the sky area in the upper right corner of a set of images using a light shield disappears, and the color saturation and clarity of the image are significantly improved.