①照明演出，使观众看清演员表演和景物形象；
① Illuminate the performance to enable the audience to see clearly the actor's performance and the image of the scenery;
②导引观众视线；
② Guide the audience's gaze;
③塑造人物形象，烘托情感和展现舞台幻觉；
③ Create character images, highlight emotions, and showcase stage illusions;
④创造剧中需要的空间环境；
④ Create the spatial environment needed in the play;
⑤渲染剧中气氛;
⑤ To render the atmosphere of the play;
⑥显示时、空转换，突出戏剧矛盾冲突和加强舞台节奏，丰富艺术感染力。有时也配合舞台特技。
⑥ Display the transition between time and space, highlight dramatic conflicts and strengthen stage rhythm, and enrich artistic appeal. Sometimes it also cooperates with stage stunts.
舞台灯具按光学结构可分为泛光灯、聚光灯和幻灯叁类；按舞台上安装的部位则又有面光、耳光、脚光、柱光、顶排光、天排光、地排光以及流动光之分。泛光系统是指可以发出均匀柔和的光线并能照射出一定方向灯光的灯具。单独的泛光灯、顶排灯、脚灯和幕灯等一般用于照明天幕、绘画布景或演区。聚光系统指能发出定向并能控制光区范围的灯具。幻灯系统是在聚光灯具前再加一组物镜使其投光成像。这种幻灯又可分为：
Stage lighting fixtures can be divided into three categories based on their optical structure: floodlights, spotlights, and slides; According to the installed parts on the stage, there are also surface lighting, ear lighting, foot lighting, column lighting, top lighting, sky lighting, ground lighting, and flowing lighting. Floodlight system refers to a lamp that can emit uniform and soft light and illuminate a certain direction of light. Individual floodlights, top row lights, foot lights, and curtain lights are generally used for lighting the sky, painting scenery, or performance areas. A spotlight system refers to a lamp that can emit directional light and control the range of the light area. The slide system adds a set of objective lenses in front of the spotlight to project light and image. This type of slide can be further divided into:
①利用幻灯片成像的投景幻灯；
① Projection slides using slide imaging;
②通过转动的圆盘式链带把云、水、火等活动形象投在景物上的投景幻灯；
② A projection slide that projects moving images such as clouds, water, and fire onto the scenery through a rotating circular chain;
③利用长焦距物镜使小光斑清晰成像。突出主角形象的追光灯；
③ Use a long focal length objective lens to clearly image small light spots. A spotlight that highlights the protagonist's image;
④椭球面凹镜名为造型灯的灯具。
④ The ellipsoidal concave mirror is a lamp called a shape lamp.
舞台灯光的控制系统须能有效地控制和调配全部灯具并产生谐调的艺术效果。它由电源配电板、调光器及总控制台叁个部分组成。
The stage lighting control system must be able to effectively control and allocate all lighting fixtures and produce a harmonious artistic effect. It consists of three parts: a power distribution board, a dimmer, and a main control console.
舞台灯光设计主要根据剧本、导演要求及舞台美术的总体设想进行艺术构思，绘制布光设计图，并具体安排技术体现工作。灯光设计应能利用多种造型手段，适应不同风格的演出，如有的演出要求表现出写实主义的风格，而有的则要求创造出抽象的、写意的或隐喻的意境。
Stage lighting design mainly involves artistic conception based on the script, director's requirements, and overall ideas of stage art, drawing lighting design drawings, and arranging specific technical embodiment work. Lighting design should be able to utilize various styling techniques to adapt to different styles of performances. Some performances require a realistic style, while others require the creation of abstract, freehand, or metaphorical artistic conception.
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