Traditional Culture Encyclopedia - Photography and portraiture - What equipment does it take to build a portrait studio?
What equipment does it take to build a portrait studio?
In general, when a house is converted into a studio, it is necessary to leave a wall for background paper and use the longer side of the house as the shooting axis. The shooting distance is calculated as long side length (m)-1 (m) = the longest available shooting distance (s). Negative one meter is used for the second half of the main body and the second half of the camera. It would be better if the subject could keep a distance of one meter. Next, we will consider the theme and calculate the magnification. If you want to take a full-length portrait, the person's height is 1.8m, 30cm above and below, and the shooting height is 2.4m Use the magnification ratio that the shooting height is greater than the side length of the negative film (M= the side length of the negative film/shooting height).
With the longest shooting distance, that is, the object-image distance and magnification, we can use the object-image distance formula to calculate how many focal lengths of the lens to use. The formula of object-image distance (first-order approximate formula); S=f( 1/M+M+2).f=S/( 1/M+M+2)。
How to build your own lighting system? Imitation professional studio? I don't think it's necessary. Professional lighting costs tens of thousands of yuan, and the investment is too large. We might as well set up a brand-new lighting system. Lighting system combining natural light and lighting.
First of all, don't seal all the windows of the studio. Windows in the southeast and northwest can have different lighting effects. East-west windows can have the effect of low color temperature light. North-south windows are white, and windows facing north on cloudy days will also have strong directionality. Set up your own lighting system, you don't have to buy special lights. You can use your own flash. Keep the flash away from your camera. Connect the camera and the flash with a sync line. If you want to use two flashlights, you need to connect a flash synchronizer to one of them. This will ensure that the two flashlights are synchronized. For convenience, both lamps and cameras need shelves. And can be adjusted.
We can also make some small accessories to perfect our lamps. Such as; Add diffuse white cloth and transparent drawing paper in front of the lamp. Turn the strong light of the flash into scattered light and soft light. You can also add a bucket-shaped hood in front of the lamp to turn the light of the flash lamp into a spotlight. Strengthen the directionality of light. The intensity of the flash can be controlled by the distance between the lamp and the object, or by controlling the luminous intensity of the flash. Let one flash emit full light, and the other light only emits 2/3 light or 1/3 light. Control the light ratio of main light and auxiliary light.
In the studio, you need to prepare a piece of white foam as a reflector.
Because our studio is relatively small, black background paper is very necessary to eliminate the shadow of light. It takes two flashlights to shoot in such a small studio. The camera had better have TTL exposure system. This not only saves the cost of buying exposure meters, but also saves a lot of trouble. It saves some complicated calculations. Make shooting convenient and fast.
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