WO2015135258A1 - 一种图案与光束效果相互切换的舞台灯光学系统 - Google Patents

一种图案与光束效果相互切换的舞台灯光学系统 Download PDF

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Publication number
WO2015135258A1
WO2015135258A1 PCT/CN2014/078388 CN2014078388W WO2015135258A1 WO 2015135258 A1 WO2015135258 A1 WO 2015135258A1 CN 2014078388 W CN2014078388 W CN 2014078388W WO 2015135258 A1 WO2015135258 A1 WO 2015135258A1
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Prior art keywords
pattern
component
assembly
light
light source
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PCT/CN2014/078388
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English (en)
French (fr)
Inventor
蒋伟楷
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广州市浩洋电子有限公司
蒋伟楷
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Publication of WO2015135258A1 publication Critical patent/WO2015135258A1/zh

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
    • F21V14/02—Controlling the distribution of the light emitted by adjustment of elements by movement of light sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S10/00—Lighting devices or systems producing a varying lighting effect
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/10—Outdoor lighting
    • F21W2131/105—Outdoor lighting of arenas or the like
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/40—Lighting for industrial, commercial, recreational or military use
    • F21W2131/406—Lighting for industrial, commercial, recreational or military use for theatres, stages or film studios
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor

Definitions

  • the present invention relates to a stage lamp optical system in which a pattern and a beam effect are mutually switched.
  • stage lights mainly include three types: pattern lights, beam lights, and soft lights.
  • Stage designers and users often choose different functional lamps according to their needs.
  • the operation is complicated.
  • a stage lamp for realizing various beam effects has also been proposed in the prior art.
  • Chinese patent CN201320192500.0 discloses a stage lighting system that simultaneously includes multiple beam effects
  • the utility model comprises a light source, a reflective bowl, an optical component, an optical component 2, wherein the optical component is located between the reflective bowl and the optical component 2 in the direction of the main optical axis, and the switching of the plurality of beam effects is realized by the movement of the optical component
  • the light is emitted through the light source, the light passes through the reflective bowl and the optical component to form a light beam with a very concentrated intermediate beam.
  • the intermediate beam is concentrated, it seems that the entire light beam has a distinct beam sensation, and when the light beam is irradiated onto the imaging surface, The center of the spot and the edge of the spot have a distinct layering, and the above is the luminous effect of the beam lamp.
  • the optical component When the optical component is added, the light beam reflected from the reflective bowl is diverged by the optical component and then passed through the optical component 2.
  • the original concentrated beam becomes divergent, and when the beam is incident on the imaging surface, the effect of the entire imaging spot is relatively More uniform, that is, the luminous effect of the pattern lamp.
  • the optical component that is, by increasing or decreasing the lens or the light guide, etc.
  • the effect of the uniform light or the light beam is achieved.
  • the uniform light and the light beam are two widely different light-emitting effects, the former is to diverge the light, and the latter is to concentrate the light.
  • the optical component is located between the light source and the optical component 2, if needed Direct addition, need to reserve enough space position, which brings certain drawbacks to the choice of light source, the position between the light source and the optical component 2 is relatively short, the practicality is relatively poor; in addition, converted by the beam effect to In the case of the pattern effect, when the optical component is placed in the position of the main optical axis, the optical component, such as the optimal position of the optical position of the light guide body or the light guide body and the lens assembly, is not considered, resulting in a large loss of the pattern effect light of the final realization. Poor light efficiency.
  • the technical problem to be solved by the present invention is to provide a stage lamp optical system in which a pattern with low light loss and high utilization efficiency is switched between a beam effect and a beam effect. .
  • a stage lamp optical system in which a pattern and a beam effect are mutually switched comprising a light source assembly, a pattern assembly and a zoom lens assembly, which are capable of emitting light in the same main optical axis direction, wherein the system further comprises a switchable entry Optics of the main optical axis
  • An integrator assembly comprising a beam pattern component and a pattern pattern component that are switchable to each other and into the main optical axis, the light source component being movable back and forth relative to the pattern component along the main optical axis, when the light source component is forward relative to the pattern component
  • Only the beam pattern component switches into the main optical axis, and the light of the light source component is emitted through the beam pattern component and the zoom lens assembly; when the light source component moves backward relative to the pattern component to the second position,
  • the optical integrator assembly and the pattern pattern component are simultaneously switched into the main optical axis, and the light is emitted through
  • the beam light effect when the beam light effect is required, only the beam pattern component switches into the main optical axis, and at this time, the light source component is placed in the first position; when the pattern light effect is required, the optical integrator component and the pattern design component are simultaneously switched. Entering the main optical axis, and at this time, the light source component is placed in the second position, the light is shaped in the optical integrator assembly, and the pattern diameter range is re-allocated, so that the beam effect and the pattern effect can be quickly switched, and
  • the optical integrator component considers the optical position optimal parameters of the optical integrator component when cutting into the position of the main optical axis, so that the final effect of the pattern effect lamp is good and the efficiency is greatly improved.
  • the concentrating position of the light source assembly is located on the beam pattern component or at a position close to the beam pattern component. Said When the light source assembly is in the first position, the distance between the illumination center of the light source assembly and the pattern component is 38-50m.
  • the light collecting position of the light source component is located in the optical integrator component On the light incident end surface or at a position close to the light incident end surface.
  • the distance between the illumination center of the light source assembly and the pattern assembly is 78-90 mm.
  • the light-passing hole on the beam pattern component has an inner diameter of 5-8 mm. Said The inner diameter of the light-passing hole on the pattern design component is 12-15 mm.
  • the light source assembly includes a light emitting element and a reflector, and the light emitting element emits light through the reflector.
  • the zoom lens assembly is used in conjunction with the beam pattern component to achieve a zoom of the beam from the main optical axis in the range of 0° to 15°.
  • the zoom lens assembly can be used in conjunction with the pattern pattern component to achieve zooming between the fixed group lens and the main optical axis at an angle of 4° to 30°.
  • the optical integrator assembly is a light guide.
  • the invention passes the moving light source component
  • the relative position of the pattern component is used to change the concentrating position of the light source, and the switching of the beam pattern component and the pattern pattern component and the switching of the optical integrator component are performed, thereby realizing rapid switching between the beam lamp and the pattern lamp, and in addition, the optical integrator component
  • the light that is diverged after aggregation is re-integrated so that it is concentrated within the diameter of the pattern, thereby Greatly improve the efficiency of light utilization.
  • FIG. 1 is a schematic structural view of an overall optical path switched to a beam effect according to the present invention
  • FIG. 2 is a schematic diagram of an overall optical path structure switched to a pattern effect according to the present invention.
  • the present invention discloses a stage lamp optical system in which a pattern and a beam effect are mutually switched, and includes a light source assembly 1 , a pattern component and a zoom lens assembly which are capable of emitting light in the same main optical axis direction.
  • the system further includes a switchable entry An optical integrator assembly 6 of the main optical axis, the pattern assembly comprising a beam pattern component 21 and a pattern pattern assembly 22 that can be switched to each other and into the main optical axis, the light source assembly 1 being movable back and forth relative to the pattern component along the main optical axis
  • the light source assembly 1 is moved forward to the first position relative to the pattern assembly, only the beam pattern component 21 is switched into the main optical axis, and the light of the light source assembly 1 is emitted through the beam pattern component 21 and the zoom lens assembly;
  • the optical integrator component 6 and the pattern design component 22 simultaneously switch into the main optical axis, and the light passes through the optical integrator component 6, the pattern flower The sample assembly 22 and the zoom lens assembly are fired.
  • the pattern lamp and the beam lamp can be switched according to the needs of the light output effect.
  • the beam light effect is required, only the beam pattern group
  • the device switches into the main optical axis, and at this time, the light source component is placed in the first position; when the pattern light effect is required, the optical integrator component and the pattern design component are simultaneously switched into the main optical axis, and at this time, the light source component is placed in the second Location.
  • the first position is closer to the pattern component position than the second position.
  • the concentrating position of the light source assembly can be substantially located on the beam pattern component, so that a strong beam effect can be produced after the aperture lens is imaged through the aperture of the beam pattern assembly.
  • the light source component When the light source component is placed in the second position, the light can be concentrated near the light source surface of the optical integrator component, then diverge into the optical integrator component, and re-integrated, and re-arranged within the diameter range of the pattern, which can be quickly realized. Fast switching of beam effects and pattern effects, and When the optical integrator component is cut into the position of the main optical axis, the optical position optimal parameters of the optical integrator component are considered, so that the final effect of the pattern effect lamp is good and the efficiency is greatly improved.
  • the back and forth movement of the light source assembly of the above system can be driven by a transmission mechanism, such as a transmission rod and a drive motor thereof, and the switching of the pattern assembly can be realized by a rotating disc, that is, the beam pattern component and the pattern pattern component are switched by the rotating disk, and only one of them is switched.
  • Pattern component entry Main optical axis The optical integrator assembly can also be driven by a transmission mechanism to effect a switching action. The cooperation of the above actions can be automatically controlled by the controller.
  • the concentrating position of the light source assembly is located on the beam pattern component or at a position close to the beam pattern component. Said When the light source assembly is in the first position, the distance between the illumination center of the light source assembly and the pattern component is 38-50m.
  • the concentrating position of the light source assembly is located on the light incident end face of the optical integrator assembly or at a position close to the light incident end face.
  • the light source assembly and the pattern component are The distance is 78-90mm.
  • the light-passing hole on the beam pattern component has an inner diameter of 5-8 mm. Said The inner diameter of the light-passing hole on the pattern design component is 12-15 mm.
  • the light source assembly includes a light-emitting element 12 and a reflector 11, and the light-emitting element 12 emits light through the reflector 11.
  • Light-emitting element 12 can be flying
  • the Lipu 470W series light source cooperates with the reflector cup 11 to make the light source assembly have high light extraction efficiency and small volume.
  • the zoom lens assembly is used in conjunction with the beam pattern component to achieve a zoom of the beam from the main optical axis in the range of 0° to 15°.
  • the zoom lens assembly can be used in conjunction with the pattern pattern component to achieve zooming between the fixed group lens and the main optical axis at an angle of 4° to 30°.
  • the optical integrator assembly 6 is a light guide.
  • the light guide body can It is a hollow light guide, a solid light guide or any other optical component that can redistribute the light distribution of the light-emitting elements through the reflector.
  • the zoom lens assembly is composed of three sets of lens components, and the light-emitting direction is a focus group 3, a zoom group 4, and a fixed group 5, respectively.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

一种图案与光束效果相互切换的舞台灯光学系统，其包括位于同一主光轴方向上的能发出聚光的光源组件（1）、花样组件及变焦距镜头组件，所述系统还包括能切换进入主光轴的光学积分器组件（6），所述花样组件包括能相互切换并进入主光轴上的光束花样组件（21）及图案花样组件（22），所述光源组件（1）能沿主光轴相对花样组件前后移动，当光源组件（1）相对花样组件向前移动至第一位置时，仅光束花样组件（21）切换进入主光轴上，所述光源组件（1）的光线经由光束花样组件（21）及变焦距镜头组件射出；当光源组件（1）相对花样组件向后移动至第二位置时，所述光学积分器组件（6）与图案花样组件（22）同时切换进入主光轴上，光线经由光学积分器组件（6）、图案花样组件（22）及变焦距镜头组件射出。该舞台灯光学系统具备光损耗低、利用效率高等优点。

Description

一种图案与光束效果相互切换的舞台灯光学系统
技术领域
本发明涉及一种 图案与光束效果相互切换的舞台灯光学系统 。
背景技术
目前舞台灯领域使用最为广泛的功能性灯具主要包括三种，分别为：图案灯、光束灯、柔光灯。舞台设计者和使用者往往根据使用需要，有针对性的选择不同功能型灯具。但由于使用单一，一个复杂的舞台场景，需要更换使用不同类型的灯具，操作起来及其复杂。而为了解决此问题，现有技术中也有提出实现多种光束效果的舞台灯。
中国专利CN201320192500.0，公开一种同时包含多种光束效果的舞台灯具系统，其 包括光源，反光碗，光学组件一，光学组件二；所述光学组件一在主光轴方向上位于反光碗和光学组件二之间，多种光束效果的切换是通过光学组件一的移动来实现的；当光线通过光源发出，光线通过反光碗、光学组件二后形成中间光束非常聚集的光柱，由于中间光束集中，看起来整个光柱会有明显的光束感，且当光束照射到成像面上时，光斑中心和光斑边缘有明显的层次感，以上即为光束灯的发光效果。当增加光学组件一后，从反光碗反射出来的光束被光学组件一发散后再经过光学组件二，原来的聚集光束变得发散，且当光束照到成像面上时，整个成像光斑的效果相对较均匀，即为图案灯的发光效果。
该结构中，通过增减光学组件一，即是通过增减透镜或导光体等来实现匀光或光束的效果 。然而，匀光与光束是两种差异很大的发光效果，前者是将光发散，后者则是将光集中，对于上述专利的结构，光学组件一位于光源和光学组件二之间，如需直接加入，需要预留有足够的空间位置，这给光源的选择带来了一定的弊端，光源与光学组件二之间的位置较短，实用性相对较差；另外，在由光束效果转换为图案效果时，光学组件一切入主光轴位置时，并未考虑光学组件一如导光体或导光体与镜头组件的光学位置最优参数，导致最终实现的图案效果灯时光损失较大，光效差。
发明内容
本发明所要解决的技术问题是，提供一种光损耗低、利用效率高的 图案与光束效果相互切换的舞台灯光学系统 。
为解决上述技术问题，本发明采用的技术方案是： 一种图案与光束效果相互切换的舞台灯光学系统，其包括位于同一主光轴方向上的能发出聚光的光源组件、花样组件及变焦距镜头组件，其中，所述系统还包括能切换进入主光轴的光学 积分器组件，所述花样组件包括能相互切换并进入主光轴上的光束花样组件及图案花样组件，所述光源组件能沿主光轴相对花样组件前后移动，当光源组件相对花样组件向前移动至第一位置时，仅光束花样组件切换进入主光轴上，所述光源组件的光线经由光束花样组件及变焦距镜头组件射出；当光源组件相对花样组件向后移动至第二位置时，所述光学积分器组件与图案花样组件同时切换进入主光轴上，光线经由光学积分器组件、图案花样组件及变焦距镜头组件射出。
本方案中，当需要光束灯效果时，仅光束花样组件切换进入主光轴，而此时光源组件置于第一位置上；当需要图案灯效果时，光学积分器组件与图案花样组件同时切换进入主光轴，而此时光源组件置于第二位置上，光线在光学积分器组件中进行整形，重新调配所述图案直径范围，能快速实现光束效果与图案效果的快速切换，且 光学 积分器 组件切入主光轴位置时考虑光学 积分器 组件的光学位置最优参数，使最终实现的图案效果灯效果好，效率有很大提高。
所述 光源组件位于 第一位置时， 光源组件的聚光位置位于光束花样组件上或位于接近光束花样组件的位置。 所述 光源组件位于 第一位置时， 光源组件发光中心 与 花样组件的距离为38-50m m 。
所述 光源组件位于 第二位置时， 光源组件的聚光位置位于光学积分器组件 入光端面上或位于接近所述入光端面的位置。 所述 光源组件位于 第二位置时， 光源组件发光中心与花样组件的 距 离为78-90mm。
所述 光束花样组件上的通光孔的内径为 5-8mm。 所述 图案花样组件上的通光孔的内径为12-15mm。
所述光源组件包括发光元件与反光杯，发光元件通过反光杯发出聚光。
变焦距镜头组件与 光束花样组件 的配合使用，实现光束与主光轴的夹角在0°到15°范围内的变焦 ， 或者，变焦距镜头组件与 图案花样组件 的配合使用，实现沿固定组镜头出射光线与主光轴的夹角在4°到30°范围内的变焦。
所述 光学积分器组件为导光体 。
与现有技术相比，本发明的有益效果是：
本发明通过 移动光源组件 与花样组件的相对位置来改变光源的聚光位置，并配合光束花样组件与图案花样组件的切换及光学积分器组件的切换，从而实现光束灯与图案灯的快速切换，另外，光学积分器组件还将聚集后发散的光线进行重积分，使其集中在图案的直径尺寸范围之内，从而 大大提高了光的利用效率。
附图说明
图1为本发明切换为光束效果的整体光路结构示意图；
图2为本发明切换为图案效果的整体光路结构示意图。
具体实施方式
下面结合具体实施例对本发明作进一步的说明。
如图1所示，本发明公开一种图案与光束效果相互切换的舞台灯光学系统，其包括位于同一主光轴方向上的能发出聚光的光源组件1、花样组件及变焦距镜头组件，其中，所述系统还包括能切换进入 主光轴的光学积分器组件6，所述花样组件包括能相互切换并进入主光轴上的光束花样组件21及图案花样组件22，所述光源组件1能沿主光轴相对花样组件前后移动，当光源组件1相对花样组件向前移动至第一位置时，仅光束花样组件21切换进入主光轴上，所述光源组件1的光线经由光束花样组件21及变焦距镜头组件射出；当光源组件1相对花样组件向后移动至第二位置时，所述光学积分器组件6与图案花样组件22同时切换进入主光轴上，光线经由光学积分器组件6、图案花 样组件22及变焦距镜头组件射出。
本系统中，根据出光效果的需要，可对图案灯及光束灯进行切换。当需要光束灯效果时，仅光束花样组 件切换进入主光轴，而此时光源组件置于第一位置上；当需要图案灯效果时，光学积分器组件与图案花样组件同时切换进入主光轴，而此时光源组件置于第二位置上。第一位置相比第二位置更靠近花样组件位置。当光源组件置于第一位置上时，光源组件的聚光位置可大致位于光束花样组件上，这样经由光束花样组件上的通光孔并进行变焦距镜头成像之后能产生很强的光束效果。当光源组件置于第二位置上时，光线可在光学积分器组件靠近光源面汇聚，再发散进入光学积分器组件中，并进行重积分，重新调配在所述图案直径范围内，能快速实现光束效果与图案效果的快速切换，且 光学积分器组件切入主光轴位置时考虑光学积分器组件的光学位置最优参数，使最终实现的图案效果灯效果好，效率有很大提高。
上述系统的光源组件的前后移动可由传动机构传动，如传动杆及其驱动电机，花样组件的切换可由旋转盘来实现，即光束花样组件与图案花样组件由旋转盘来实现切换，仅使其中一个花样组件进入 主光轴。光学积分器组件也可由传动机构传动来实现切换动作。而上述动作的配合可由控制器来实现自动控制。
所述 光源组件位于 第一位置时， 光源组件的聚光位置位于光束花样组件上或位于接近光束花样组件的位置。 所述 光源组件位于 第一位置时， 光源组件发光中心 与 花样组件的距离为38-50m m 。
所述 光源组件位于 第二位置时， 光源组件的聚光位置位于光学积分器组件入光端面上或位于接近所述入光端面的位置。 所述 光源组件位于 第二位置时， 光源组件发光中心与花样组件的 距离为78-90mm。
所述 光束花样组件上的通光孔的内径为 5-8mm 。 所述 图案花样组件上的通光孔的内径为12-15mm。
所述光源组件包括发光元件12与反光杯11，发光元件12通过反光杯11发出聚光。发光元件12可为飞 利浦470W系列光源，其与反光杯11配合，使得光源组件具备出光效率高，体积小。
变焦距镜头组件与 光束花样组件 的配合使用，实现光束与主光轴的夹角在0°到15°范围内的变焦 ， 或者，变焦距镜头组件与 图案花样组件 的配合使用，实现沿固定组镜头出射光线与主光轴的夹角在4°到30°范围内的变焦。
所述 光学积分器组件6为导光 体 。所述 导光体可以 是空心导光体、实心导光体或任何其他可以对发光元件经过反光杯汇聚的光分布进行重新分配的光学组件。
所述 变焦距镜头组件为三组镜头组件组成，由出光方向依次为调焦组3、变倍组4及固定组5。
显然，本发明的上述实施例仅仅是为清楚地说明本发明所作的举例，而并非是对本发明的实施方式的限定。对于所属领域的普通技术人员来说，在上述说明的基础上还可以做出其它不同形式的变化或变动。这里无需也无法对所有的实施方式予以穷举。凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本发明权利要求的保护范围之内。

Claims (10)

  1. 一种图案与光束效果相互切换的舞台灯光学系统，其包括位于同一主光轴方向上的能发出聚光的光源组件、花样组件及变焦距镜头组件，其特征在于，所述系统还包括能切换进入主光轴的光 学积分器组件，所述花样组件包括能相互切换并进入主光轴上的光束花样组件及图案花样组件，所述光源组件能沿主光轴相对花样组件前后移动，当光源组件相对花样组件向前移动至第一位置时，仅光束花样组件切换进入主光轴上，所述光源组件的光线经由光束花样组件及变焦距镜头组件射出；当光源组件相对花样组件向后移动至第二位置时，所述光学积分器组件与图案花样组件同时切换进入主光轴上，光线经由光学积分器组 件、图案花样组件及变焦距镜头组件射出。
  2. 根据权利要求1所述的 图案与光束效果相互切换的舞台灯光学系统， 其特征在于，所述 光源组件位于 第一位置时， 光源组件的聚光位置位于光束花样组件上或位于接近光束花样组件的位置。
  3. 根据权利要求2所述的 图案与光束效果相互切换的舞台灯光学系统， 其特征在于，所述 光源组件位于 第一位置时， 光源组件发光中心 与 花样组件的距离为38-50m m 。
  4. 根据权利要求1所述的 图案与光束效果相互切换的舞台灯光学系统， 其特征在于，所述 光源组件位于 第二位置时， 光源组件的聚光位 置位于光学积分器组件入光端面上或位于接近所述入光端面的位置。
  5. 根据权利要求4所述的 图案与光束效果相互切换的舞台灯光学系统， 其特征在于，所述 光源组件位于 第二位置时， 光源组件发光中心与花样组件的 距离为78-90mm。
  6. 根据权利要求1所述的 图案与光束效果相互切换的舞台灯光学系统， 其特征在于，所述 光束花样组件上的通光孔的内径为 5-8mm。
  7. 根据权利要求1所述的 图案与光束效果相互切换的舞台灯光学系统， 其特征在于，所述 图案花样组件上的通光孔的内径为12-15mm。
  8. 根据权利要求1所述的 图案与光束效果相互切换的舞台灯光学系统， 其特征在于，所述光源组件包括发光元件与反光杯，发光元件通过反光杯发出聚光。
  9. 根据权利要求1所述的 图案与光束效果相互切换的舞台灯光学系统， 其特征在于， 变焦距镜头组件与 光束花样组件 的配合使用，实现光束与主光轴的夹角在0°到15°范围内的变焦 ， 或者，变焦距镜头组件与 图案花样组件 的配合使用，实现 沿固定组镜头出射光线与主光轴的夹角在4°到30°范围内的变焦。
  10. 根据权利要求1所述的 图案与光束效果相互切换的舞台灯光学系统， 其特征在于，所述 光学积分器组件 为导光体 。
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