Fresnal lighitng M40-series is a lensless system that combines the advantages of Fresnel and PAR headlights. The headlight is "open face" and thus very bright: about 30% brighter than the ARRI AS 40 in spot. Thanks to the unique, patented MAX Technology reflector, it can also be focussed from 18 ° t

1. What is Beam Angle?Beam angle refers to the angle between the two planes of light where the intensity is at least 50% of the maximum intensity at center beam. The average beam angle on most par lights is 25 degree and will work well for most purposes.What is Field Angle?Field angle refers to the

How to replace a lamp?IMPORTANT TO READTo reduce the risk of electrical shock, always turn the projector off and disconnect the power cord before replacing the lamp.To reduce the risk of injuries to fingers and damage to internal components, use caution when removing lamp glass that has shattered in

Glad to inform you that we will attend the BIRTV show in Beijing, our booth is 2B105, we will display our photographic lamps, if you also attend the show, we will be happy to meet you to talk about the products and markets.

Every bulb from Changsheng needs to pass testing System . This system include two parts . Part 1 . Technical data; Part 2. Life time

As we all know,nowadays if you want to have advantage in some products,the best way is that you are manufacturer. For stage lights,there are many different factories in Guangzhou.We are also among them. But we are the only one manufacture who also own lamp factory in Wuxi.We could try the best to ad