Unverified78% confidenceFactTime unknown
柔光布的透光率与厚度直接影响光量损失，多数柔光箱单层透光损失约1-1.5挡，双层约2挡，布光计算功率时需预留余量
1
Sources
78%
Confidence
Long-term
Relevance
-
First Seen
Sources
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Unverified内外双层柔光布(内扩散布+外柔光布)比单层布光线更均匀柔和，但会损失约1-1.5档光量；追求极致柔光用双层，需要更亮输出或省钱可用单层85% similarUnverified亮度虚标是常见坑：厂商标的lux多在0.5米无柔光罩条件下测得，加柔光箱后实际输出常衰减50%以上，应看1米处带附件的实测流明或勒克斯77% similarUnverified导光管长度（楼层高度）直接影响光衰减：直管每米衰减约3-5%，超过6米或多次弯折的传导路径，实际到室内的流明可能损失40%以上，高楼层暗间不适合用导光管77% similarUnverified充气后体积膨胀形成柔光灯罩，光线柔和不刺眼，但相应牺牲了亮度集中度和照射距离76% similarUnverified可裁剪性与灯珠密度存在权衡：高密度灯带(≥120灯珠/米)光线更均匀无颗粒感但裁剪间隔单元更长灵活性差，低密度灯带裁剪自由但近距离能看到明暗点76% similar
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