In outdoor photography, try to use a light shield, which is very beneficial to improve the shooting quality. A group of tests were carried out under the same test conditions (side backlight, perspective). Shoot two groups with and without a hood. Among them, the picture quality of a group of pictures with a light shield is greatly improved compared with that of a group of pictures without a light shield! The performance is as follows: the halo in the sky in the upper right corner of a group of pictures using a light shield disappears, and the color saturation and clarity of the picture are significantly improved.
The function of the light shield is to prevent stray light from entering the lens, so as to eliminate fog and improve the clarity and color restoration of imaging. Its main purposes are as follows:
1. In backlight, side light or flash photography, it can prevent the entry of non imaging light and avoid fog;
2. In forward and side light photography, the scattered light around can be avoided from entering the lens;
3. In light photography or night photography, the surrounding interference light can be avoided from entering the lens;
4. The light shield can also prevent accidental damage to the lens, prevent fingers from touching the lens surface by mistake, and shield the lens from wind, sand, rain and snow to some extent.
The light shield is widely used in backlight photography, generally speaking, it can avoid glare. However, if the light source is close, glare may still occur. At this time, you can cover the hood on the side where the light source is located by hand. Whether the glare is eliminated can be directly observed in the viewfinder. In addition to the optical quality of the lens itself, the role of the light shield is very obvious. The pictures without the light shield are not ideal in terms of color, sharpness and contrast. The pictures with the light shield have good performance in these aspects, and the effects of a small light shield are very different.
Using the hood is not only a means to improve the picture quality, but also a good professional habit. At the same time, it is also an expression of the professional quality of a rigorous photographer!
