neutral colour filter

同义词释义

1)neutral colour filter,中性滤色器2)light balancing filter,中性滤光片，消衡滤色器3)neutral filter,中性滤色片4)non selective filter,中性滤光器5)neutral density filter,ND,中性密度滤色镜6)neutral step filter,中性阶梯滤光器