Traditional Culture Encyclopedia - Photography and portraiture - What is the function of reflective umbrella?

What is the function of reflective umbrella?

No matter whether you use single lamp or four lamps, and no matter what kind of artistic effect you want to shoot, the studio flash that can accurately control the output and angle can help you get professional lighting effects. What is the function of reflective umbrella? The light source illuminates the reflective umbrella, and then it is reflected to the main body by the reflective umbrella to form supplementary light, but the reflector can only passively "supplement light". In order to completely control the light, more light sources are needed. Let's talk about the use of flash and reflective umbrella. 1. What is the function of reflective umbrella?

Reflective umbrellas are usually used with flashlights. Their function is to turn the hard light emitted by flashlights into soft diffuse light, similar to soft boxes. Compared with the soft box, the advantage of reflective umbrella is that it can achieve soft light effect in a smaller working space.

If you don't have a flash, it can be used as a reflector (of course, it would be better to buy a reflector directly if it is used as a reflector), and its function is also to turn a hard light source into diffused light. It is a very useful tool if shooting on location, because most professional photographers shoot on location with backlight, but when shooting with backlight, there will be a black shadow on the front of the person, and then use the reflector to fill the light.

Second, how to install the flash for the reflective umbrella?

Reflective umbrellas are generally installed on photographic lamps, and can also be placed at will according to the requirements of supplementary light. Photographic flashlights usually have a soft box. If you want to use an umbrella, you must remove the soft box and insert the umbrella at the joint between the lamp body and the bracket.

After installation, just put the lamp holder and the object in the opposite direction, and of course, try to hold it by yourself from the perspective of filling light.

Third, how to use flash and reflective umbrella to distribute light?

Use a reflective umbrella as the main light, and at the same time use a reflector to fill the light.

If a reflector is added to the dark side, the light is distributed to the shadow part by reflection, and the light ratio is reduced again, a more natural lighting effects can be obtained than that of a single lamp.

Using reflector to fill light is an economical and effective method to obtain ideal light ratio. With the reflector bracket, the double-sided reflector is a versatile person to improve the lighting effect in many cases.

Use two reflective umbrellas as main light and auxiliary light respectively.

Of course, the reflector can only passively "fill the light". You still need more light sources if you want to control the light completely. By using two flashlights with the same power, the controllable light ratio can be easily obtained by reducing the output of auxiliary light. For example, the light ratio of 1:2 can be obtained when all the main light sources are output and the auxiliary light is halved; If the auxiliary light is halved again, the light ratio of 1:4 can be obtained.

As for the position of the auxiliary light, the simplest method is to put it on the other side of the model which is symmetrical with the main light. Be sure to pay attention to the direction of the auxiliary light, and don't let the light of the auxiliary light overflow to the area irradiated by the main light, so as to control the light ratio and eliminate the unnatural shadow.

Use reflective umbrella as background light.

If you want a more "professional" lighting effect, you can add a flash with a reflective umbrella to illuminate the background. Let's put this background light about 90 cm away from the background and illuminate the background at an oblique angle. In this way, a background effect with gradual brightness change is obtained, which makes the outline of the model more vivid.

The four lamps are all arranged by hand.

We can reduce the output of the main light, of course, in order to maintain the light ratio, the output of the auxiliary light should also be reduced, and accordingly, the exposure combination of the camera should be adjusted. From1125s f/1to1125s f/8. In this way, the brightness of the backlight can be better controlled.

From single lamp to four lamps, you can choose according to your needs. In many cases, you only need a lamp and a reflector to take beautiful portraits. I give so many demonstrations to provide you with a way to control the lighting effect. Remember, portrait lighting has no rules, only guiding principles. Practice more and find fun is the true meaning of photography.