De Pictura

De Pictura is a philosophical treatise written by the Renaissance artist and scholar Leonardo da Vinci around 1435. It explores the principles of visual perception and the techniques of painting, emphasizing that painting is a form of scientific observation and understanding of nature. Leonardo discusses how light, shadow, perspective, and anatomy impact visual representation, advocating for a harmonious blend of art and science. The work underlines the importance of careful observation and mastery of technique to create realistic and expressive images, positioning painting as both a creative and intellectual pursuit rooted in understanding human vision and the natural world.