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In Grapes he worked with astonishingly low levels of light; consider the many night scenes and the shots in the deserted Joad homestead, where Tom and the preacher seem illuminated of a single candle, Tom silhouetted, Casy side-lit. The power of Ford (1895-1973) was rooted in strong stories, classical technique, and direct expression. Years of apprenticeship in low-budget silent films, many of them quickies shot on location, had steeled him against unnecessary setups and fancy camera work. There is a rigorous purity in his visual style that serves the subject well. The Grapes of Wrath contains not a single shot that seems careless or routine.
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