Brightness also decides its value greatly as the important parameter of projector, at present the projector brightness on market from hundreds of to tens of thousands of differ, this chooses to the user how old brightness brought very tall difficulty, we are umbriferous the times often also receives an user to hit a phone to seek advice " I should choose how old the projector of brightness is the most appropriate " , at present brightness of projector of projector of domestic movie theater is in commonly 800-1500ANSI lumen, projector of conference of common business affairs is in 1500-4000 lumen, special projector is in large room 5000ANSI lumen above. The option issue of brightness of business affairs projector, there is special implied meaning to had discussed before us, we talk about the article mainly the brightness choice of projector of domestic movie theater.

Above all the video projector with the whether special projector that we should make clear to you buy Hunan or multipurpose projector, projector of general pure family expenses, brightness is commonly inside the limits of 800-1500 lumen, if be multipurpose projector, if business lives amphibious projector, criterion brightness wants a few taller, be in commonly 2000 the left and right sides, because they are used besides domestic movie theater, they still are used to do company brief report to wait. It is different that the manufacturer classifications to what lumen is worth. Business classifications with data mode with projector, and projector of domestic movie theater classifications with video speed. As a result of the lumen of video output and data differ, because brightness of projector of this family expenses looks,use model under business. In using, business may be with projector in video mode the brightness of loss half.

How many brightness to choose after all appropriate? Basically see the size of use dimensional environment and screen. 　　

One, choose brightness according to showing an environment

Show an environment to decide brightness namely: Space of domestic movie theater has two kinds normally, it is movie theater of family of lamplight controllable major, another kind is the living room that has changed his costume or dress. The space that projector uses has certain effect to the decision of brightness demand, in addition, the utility of projector and use time also has very big effect to image brightness expression.