单词neutral-density
网络: 中性密度；简称中灰减光镜；中性灰色密度减光镜
Obtain the grey balance of primary colors monochrome density is known as the equivalent of neutral density grey.
得回灰色不均的不一原色单色密度称为等效洋性灰密度。
A graduated neutral density filter will also help you make sure the sky isn"t overexposed.
累进中性密度滤镜将保证你照片里的天空不会曝光过度。
ECP ash from a series of neutral density filter blocks.
ECP由一系列洋性灰密度过滤块构成。