Stage classification
Such as the stage and the audience: frame and open;
First, the frame type: This stage has a stage frame. The basic feature is that the stage (the stage) and the auditorium are divided into two different areas.
Second, the open stage: this stage does not have a stage frame, the stage and the audience are in the same space. According to the distribution of the stage and the auditorium, it is divided into: central, extended, terminal, and multi-functional;
Stage lights and their functions
　　 Note: The number of loops includes the skylight dimming loop, excluding the straight loop
Such as the stage and the audience: frame and open;
First, the frame type: This stage has a stage frame. The basic feature is that the stage (the stage) and the auditorium are divided into two different areas.
Second, the open stage: this stage does not have a stage frame, the stage and the audience are in the same space. According to the distribution of the stage and the auditorium, it is divided into: central, extended, terminal, and multi-functional;
Stage lights and their functions
Serial number | name | definition | Device and use | Lighting fixture |
1 | Face light | Installed outside the stage curtain, the lights at the top of the auditorium have the first and second surface lights, and the rear floor lights and central spotlights have similar effects. | Face light is indispensable in the stage. Mainly cast to the front performance area of ​​the stage (such as 8-10m behind the curtain line), for the character shape or the stereo effect of the objects on the stage. | Multi-purpose spotlights, adjustable focal length and aperture, a small number of backlights, and the possibility of chasing lights. |
2 | Side light | In the upstairs of the theater, some of the lamps installed in the wings of the auditorium, the light from both sides to the stage before the performance area | As a supplement to face light | Same surface light |
3 | Slap | The left and right ears are placed in the position of the left and right sides of the stage outside the stage, and the light is thrown from the side to the stage performance area. | Similar to the surface light, it is injected into the center of the stage performance area in a left-right cross, which is used to enhance the three-dimensional sense of the stage set, props and characters. It is an indispensable light for the stage, especially as a follow-up to the dance, flowing with the actors. The slap should be able to shoot every part of the stage. | Spotlight, back light |
4 | Top light | The spotlights at the top of the big screen are usually mounted on a lifting bridge that can be lifted or lowered. They can also be mounted on the boom. They are mainly projected in the middle and rear performance area. The curtains are installed in order from the counter to the back: one light, two Top light, three top light, four top light; | Projected in the middle and rear performance area, mounted on the pipe with clamps, positioned at the desired location, or suspended from the boom (such as tracking mechanism), mainly used in places where strong illumination is required from the upper part. It can be projected from the front, the top and the back, respectively, and the direction, beam, and aperture are determined according to different time requirements. | spotlight |
5 | Top row of light | The row of lights on the upper part of the stage is mounted on the boom behind each curtain to form a row of row lights, which become a row of light, two rows of light, three rows of light and so on. | Uniform illumination of the entire stage for the performance area or set. In order to evenly arrange the illumination, it should be kept at a certain distance from the ceiling light. This is an indispensable stage light. It is necessary for meetings, reports, and performances. The general theater is equipped with 3-4 rows, and the special deep stage can be increased by 1-2 rows. | floodlight |
6 | Column light | The lamps on both sides of the stage curtain are mounted on the "retractable movable table" or on the vertical iron frame, and the light is thrown from the inside of the table to the performance area. Inwardly, it can be called two-column light, three-column light, and the like. Also known as ladder light, inner light, inner ear light. | Make up for the lack of face and slap. Its role is similar to the former two, can be replaced with color film or used for chasing light | The light has a relatively short projection distance and a small power. Generally, a spotlight or a small amount of soft light can be used. |
7 | Foot light | A lamp mounted on the lip of the large screen. The light is projected from the platen up on the actor's face or the lower part of the curtain after the lighting is closed. | It can make up for the steepness of the face and eliminate the shadow under the nose. It can also enhance the cast of the artistic style for the actors according to the needs of the plot, and make up for the lack of top light and side light. At the closing ceremony, it will be cast under the curtain, and the color of the curtain can be used to change the color of the curtain; the song and dance drama can be used to illuminate the actor's lower body clothing and the foot to enhance the effect. | A row of luminaires with spherical, parabolic or ellipsoidal reflectors are evenly illuminated. Power is 60-100W or 200W |
8 | Side light | Lights mounted on the flyovers on both sides of the stage, the light is cast from the sides to the stage. The bridge from low to high is called a side light, two side light, three side light, and has left side light and right side light, sometimes called bridge light. | Lighting the auxiliary lighting of the actor's face and enhancing the level of the scene | spotlight |
9 | Day light | Mounted on the boom above the stage in front of the sky, it is a special light for the skylight | For the sky set lighting, it is set on the special skylight top light bridge, generally 2-6m away from the sky, because the sky set requires sufficient brightness, the lamp power is large, and the light color change is more (4 -6 colors), the number of color circuits is large, and the lighting requirements are parallel and uniform. Can be installed in one row, two rows, and can also be divided into upper and lower layers | Floodlights require uniform illumination and as large a projection angle as possible |
10 | Floor light | It is located on the sky front panel, or in the special trench. If the sky is made of plastic, the light can also be placed on the ground behind the sky. | Rows of lamps are placed evenly on the floor behind the stage or in the groove of the floor, 1-2m from the sky. Used to express horizons, horizontal lines, mountains, sunrises, sunsets, etc. Lighting the ground between the sky and the horizon (horizontal line), showing the effect of "infinite distance" | Floodlights, such as day, night, morning, dusk, seasons, cloud changes, etc., should also use cloud lights, effect lights, slides, etc. |
11 | Flowing light | Refers to a luminaire with a light stand on the platen that can flow at any time | Located at the side of the stage, the purpose is to strengthen the atmosphere, and its angle can be temporarily adjusted. The lamp is about 2m high and generally has a large power. Illuminate the actor from the side, as the sun shines. Therefore, it is necessary to set a certain number of pins on the sides of the stage, and install them in the stage floor and cover them. | Use spotlights, backlights, soft lights, etc. |
SCR dimming circuit capacity selection
Dimmable loop selection | Auditorium theater type | Stage size | Auditorium | Dimmable circuit | ||
width | high | deep | ||||
Large theater | >30 | >35 | >25 | 2000-2500 | 180-240 | |
Medium theater | >16 | >25 | >16 | 1500-2000 | 120-180 | |
Small theater | <16 | <25 | <16 | Below 1500 | 60-90 | |
　　 Note: The number of loops includes the skylight dimming loop, excluding the straight loop
Stage dimming circuit allocation number
Theater type | Face light | Slap | Column light | Side light | Flowing light | One | Two top | Three tops | Four tops | Five tops | Foot light | Orchestra | Tian Pai | Ground row | And | Straight |
Large | 26 | Left 15 Right 15 | Left 10 Right 10 | Left 12 Right 12 | Left 10 Right 10 | 20 | 16 | 10 | 10 | 10 | 3 | 4 | 10 | 30 | 233 | 7 |
Medium | 20 | Left 10 Right 10 | Left 8 Right 8 | Left 8 Right 8 | Left 7 Right 7 | 14 | 12 | 8 | 8 | 3 | 3 | 10 | 20 | 164 | 7 | |
Small medium | 18 | Left 8 Right 8 | Left 6 Right 6 | Left 8 Right 8 | Left 6 Right 6 | 8 | 6 | 4 | 4 | 3 | 8 | 15 | 122 | 7 | ||
Small | 14 | Left 6 Right 6 | Left 4 Right 4 | Left 5 Right 5 | Left 5 Right 5 | 6 | 4 | 8 | 12 | 84 | 7 |
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