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使用光照度计可以测量光照度多少lux，但是公式计算需要W/m²。这两个之间应该如何转换？ 单位为lux，简写为lx，1 lux=1 lm/m2。 ------------------------------------------- 辐射通量与光通量的变换 \Phi_ {lum}=683\frac {lm} {W}\int_\lambda V (\lambda)P (\lambda)d\lambda 其中， V (\lambda) 为人眼的响应函数， P (\lambda) 为光谱功率密度。 1 lm的光通量均匀分布在1平方米的表面，即产生1勒克斯 (lux)的照度。 烛光 (Candlepower) 是最早定义发光强度的单位，目前基本已弃用。 最早是以一磅白蜡制造出一尺长的蜡烛所燃放出来的光来定义烛光单位。
请关注我的CSDN博客: 摘星星的同学 通常环境光照度参照表 本人使用照度计在办公室亲测，下述照度参数范围是准确的。 所以题主问的“准确答案”恐怕根本就不存在。 更要命的是不同辐射强度计测试的光的波长范围有差异，日射强度计的波长范围非常宽，大的285 - 2800nm，400-1100nm都有；测lux的曝光表比如380-770nm；测PPFD的光量子探头测量比如400-700nm。 以照度单位勒克斯（Lux或lx）衡量数值是多少？ 目前植物、花卉无论是从哪里购买，若问卖家养护条件，都含糊其辞，简单粗暴告诉你半阴、明亮散光、散光、非常耐阴、比较耐阴，但何为半阴、何为明亮散光，具体要… 显示全部 关注者 50
那么亮度和照度有什么区别呢？ 照度计检测下的照度概念： 简而言之，灯泡发出的光的总数 (光通量)以一定的强度--光强强度 (光强)进入某一表层，然后就可以测量这一表层的光度。 亮度计测量 下的亮度概念： 亮度是指发光体 (反射体)表面光亮 (反射)强度的物理量。人眼从一个方向观察光源.
刚刚在自己的专栏写了一个f.lux的文章，把它搬运过来。 保护眼睛之f.lux篇 - 知乎专栏 使用方法==== 1.f.lux简介 下载地址： f.lux: software to make your life better 费用：免费 大小：583k 2.f.lux设置 设置包括三个部分： a.白天/黑夜色温偏好设置.据说眼睛比较适应的色温值为3400k-6500k之间,晚上比白天适应的色温. D-Lux 7是升级型号，总像素提升至2000万，根据不同的画幅，会有不同的实际像素。 那么这台相机的画质，必然在徕卡CL之下，徕卡C-Lux之上。
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