This book explores how binocular rivalry, termed "the human shutter," provokes a reexamination of the standard chronology of cinema. The role of the human shutter is demonstrated here with a preliminary taxonomy of astonishing images excavated from the photographic archive. The book first looks at how photographic stillness, depth, and motion emerged en masse, departing from the gradualist narratives familiar in histories of photography and film. Next, the book addresses the role of binocular vision in the history of painting and photography. It further examines the rich history of early stereoviews that constitute the origins of photographic cinema and other instances of temporality. Last, the work explores what happens after light arrives at the retina, employing the stereoscope as a metaphor for critical thinking.

In addition to these new perspectives, the book contains significant original research on early photographers who explored motion with binocular vision, especially Antoine Claudet and Giorgio Sommer. The volume also takes into consideration the work of modern and contemporary artists and experimental filmmakers who have focused on stereoscopic spaces, including Marcel Duchamp, Robert Smithson, Lucy Raven, Ken Jacobs, Alfons Schilling, Arakawa and Gins, and OpenEndedGroup.