Search results
Results from the WOW.Com Content Network
Deep focus is a photographic and cinematographic technique using a large depth of field. Depth of field is the front-to-back range of focus in an image, or how much of it appears sharp and clear. In deep focus, the foreground, middle ground, and background are all in focus. Deep focus is normally achieved by choosing a small aperture.
Gregg Wesley Toland (May 29, 1904 – September 28, 1948) was an American cinematographer known for his innovative use of techniques such as deep focus, examples of which can be found in his work on Orson Welles' Citizen Kane (1941), William Wyler's The Best Years of Our Lives (1946), and John Ford's The Grapes of Wrath, and The Long Voyage Home (both, 1940).
The phrase depth of focus is sometimes erroneously used to refer to depth of field (DOF), which is the distance from the lens in acceptable focus, whereas the true meaning of depth of focus refers to the zone behind the lens wherein the film plane or sensor is placed to produce an in-focus image. Depth of field depends on the focus distance ...
In addition to its unique depth of field properties, the Frazier lens is significantly smaller than previous deep focus lenses allowing more versatility and flexibility to cinematographers. The main feature of the lens, an extended tube with a rotating prism , allows cinematographers to place the camera in a variety of positions for a given shot.
This ensures the entire subject remains in sharp focus from the nearest to the farthest details, providing comprehensive depth of field in a single image. Initially developed in the 1960s and further refined in the 1980s and 1990s, LSP was particularly valuable in scientific and biomedical photography before digital focus stacking became prevalent.
In Citizen Kane (1941), cinematographer Gregg Toland and director Orson Welles used tighter apertures to create every detail of the foreground and background of the sets in sharp focus. This practice is known as deep focus. Deep focus became a popular cinematographic device from the 1940s onward in Hollywood. Today, the trend is for more ...
Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!
For his early films, although they were consistently well photographed, Kurosawa generally used standard lenses and deep-focus photography. Beginning with Seven Samurai (1954), however, Kurosawa's cinematic technique changed drastically with his extensive use of long lens and multiple cameras.