There's no light pollution there so I had to set up my equipment using a torch.
因为这里没有光污染，所以我必须举着手电筒搭好我的拍摄装备。
Unique optical design: even light distribution, no dizzy light, no light pollution and no frequent.
独特的光学设计，无光污染、无眩光，光场分布均匀、无频闪。
No light pollution, high illuminant efficiency, low temperature design, avoiding equipment aging avoid brightness reduce, life loss, mass maintenance task and other problems.
无光污染、无高温、发光效率高，从而避免由于高温而导致设备老化、亮度降低、寿命缩短、维护量大等问题。
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