对色调值的精确判断让肖像形成了基本的结构。没有其他因素比这更重要。这段视频解释了做出这些决定性判断的基础知识:六种色调……九色调量表…“看出”明暗度……对简单物体进行色调研究…对复杂物体进行色调研究
The precise judging of tonal values provides the underlying structure of a portrait. No other factor is more important to the portrait's success. This video explains the bases on which these critical judgments are made... the six kinds of tone... the nine-tone value scale... "reading" values... making a tonal study of simple objects... making a tonal study of complex objects... Relationship of light and shade in portraiture. 90 minutes.