Traditional Culture Encyclopedia - Photography major - What is the sign that color photography has entered the practical stage?

What is the sign that color photography has entered the practical stage?

After repeated exploration, Kodak finally produced the first Kodak color film coated with three layers of emulsion in 1936 according to this method. The following year, Akfa's "Akfa Color Film" came out. These color films have high sensitivity and bright colors, which makes color photography really enter the practical stage.