1. Precautions and usage of chasing lights
1. Before the chasing lights are officially used, they must be started and tested. After turning on the power, they need to be preheated for 5 minutes to achieve the best lighting effect. Because the built-in transformer chasing lights are commonly used now, when the voltage is insufficient, the chasing lights will self-check for a long time without starting. So as not to be caught off guard.
2. The starting power of the chasing lights must be higher than the normal working power. Therefore, the power supply should be selected separately with a cable of more than 2.5 square meters and asked to be directly connected from the electric well by the on-site electrician. Prevent the power supply from overload tripping, and more seriously, the excessive wire debt will cause a fire.
3. The placement and height requirements of the chasing lights. If there are two lights, one is set up on one side of the stage for entry. The other is set up opposite the stage for entry and supplementary lighting. If there is a third chasing light, it should be placed parallel to the second chasing light, and the distance should be widened to occupy a corner of the scene. It is advisable that there are no buildings in front of the light. The height of the light should be more than 2.5 meters, and the lamp head should not shine directly into the human eye. It is better to place the bracket on the table for on-site operation, but it must be stable and the chasing light can rotate left and right without scratching.
4. After the chasing light is turned off, it needs at least 15 minutes of cooling time before it can be used again; if it is turned off and turned on immediately, it is very likely that the light source will not be bright and the bulb will burn out; if the bulb needs to be replaced, it must be replaced after the machine cools down. Do not touch the glass in the middle of the bulb. The installation must be firm. The vents of the lamp body must be unobstructed to avoid affecting heat dissipation.
5. The chasing light is a high-end equipment at the wedding scene. The equipment is expensive, large in size, heavy in weight, and complicated to operate, so it must be supervised and used by a dedicated person. It should be handled with care during transportation to minimize vibration and avoid poor line contact, which leads to abnormal operation. The chasing light has a special turnover box.
2. Chasing light effect
The chasing light is mostly used on the stage, mainly when the actor needs to be highlighted, such as when the surrounding scene is dark, a beam of light is cast on the actor and moves with the actor. This kind of light is the chasing light effect.
In recent years, at wedding ceremonies, the light beam is shone on the couple through the follow-up light, making the romantic and warm atmosphere more intense, which is also a great display of the follow-up light effect.
In stage plays, the follow-up light can not only highlight the image of the characters, but also produce some exquisite and various patterns. For example, the picture of the follow-up light below is a specific follow-up light effect picture.
3. Classification of follow-up lights
1. Metal halide follow-up light: Its light source has a luminous efficiency of more than 80 lumens/watt, so the brightness is higher than that of halogen tungsten lamp follow-up light, and the range is also longer. The HMI2500W follow-up light can reach 50 meters and the price is moderate. The bulb needs more than 3 minutes of stabilization time after starting.
2. Halogen tungsten lamp follow-up light: Its characteristics are simple structure, no ballast required, easy to use, bright when powered on, dimmable, and the brightness can be adjusted from 0 to 100 steplessly. It is cheap, but the disadvantage is low brightness. 2KW halogen tungsten lamp chasing spot can only be used within a range of 25 meters.
3. Xenon lamp chasing spot: As the audience's requirements for the artistic level of the program are increasing, the performance scenes are getting bigger and bigger. Xenon lamp chasing spot is favored by users because of its long range, high brightness and good light color. For example, a 3KW xenon lamp chasing spot has a spot diameter of 3.7 meters and an illumination of 4700 lux at a distance of 120 meters. This is very important for highlighting the illuminated person in an environment with bright background light, especially in stadiums or other large performance venues. For long-distance chasing light of more than 100 meters, only xenon lamp chasing spot can take on such a heavy task. In addition, xenon lamp chasing spot has another important advantage, that is, when dimming, its color temperature and spectrum remain unchanged, which is incomparable to halogen tungsten lamp chasing spot and metal halide chasing spot.
4. What is a chasing spot?
Chasing spots are very common in many important occasions, especially on TV and on stage. People often see chasing spots. At this time, people want to know more about chasing spots. Let's start with what chasing spots are.
Chasing spots are commonly used lighting fixtures in TV studios and stages. Its main function is to produce a bright spot of light, which is called "a hard and solid aperture" in stage terms. It moves with the actors in the performance area, so it is called a chasing spot.