| 1. | The cool - beam halogen reflector lamps combined with tungsten halogen lamps and dichroic reflectors . they have the advantages of small size , high beam luninsity but low temperature , excellent color rending , high luminous efficiency long life . a lamp of 50w is equal to a general lighting incandescent lamp of 150w in lighting efficincy . this kind of lamps are suitable for reflection lighting and decorative lighting in display windonws and shop interiors , munseums , exhibition halls
冷反射定向照明卤钨灯泡和介质膜冷反光镜组合而成，具有体积小,光束亮高而温度低,显色性好,光利用率高,寿命长等优点,一只50瓦灯的亮度，相当于一只150瓦普通白炽灯泡的亮度,这种灯适用于商场橱窗、博物馆、展览厅等场合的定向照明和室内装饰照明。 |
