Arri Arriflex

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When the shutter opens, exposes the film. When closed, the next frame the film is put in the position of the claw.

Adjusting the shutter angle affects the amount of time the film is exposed to light.
A rotating disk shutter is a type of trigger. It is especially used in film cameras.
Rotating disk are semicircular mirrors that rotate in front of the door film, and thus expose the film. As the mirror turns the image reflecting on the glass floor so that it can be seen by the camera operator at the time. The other of the time the mirror allows light to pass to the movie. In this simple camera shot is usually fixed and semi-circular. In the more advanced cameras form the shutter can be adjusted. This adjustment is referred to as shutter angle shot.
Adjust the firing angle controls the proportion of time the film is exposed to light during each frame interval. The angle of the shot is a part of the time you spend in each frame of the film:

The main reason that filmmakers set the firing angle is to control the amount of motion blur that is recorded in each successive frame of the film. A tight angle shot constrict motion blur. A wide angle shot permits. A 180 angle shot is considered normal.
Tight Blinds creating a stop motion animation stuttering issue that has become popular in action and war movies. In particular, tight blinds are used to capture particles through the air, such as dirt from the explosion of a mortar.
In most film cameras shooting angle is changed by removing the lens and adjust the shutter with a special tool. This can be done while the camera is running. Some cameras like Arri 435ES can change its angle of shot during shooting. This is sometimes referred to as an electronic shutter. An electronic shutter can compensate for the change of exposure from a ramp speed without changing the opening and the depth of field that affects.
Other shooting settings, such as a non-phase trigger, and a shutter flutter are also possible. Usually, the film was stable in the door every time it is exposed to light. Special shooting settings allow the film to be exposed, while the camera mechanism is actually moving the film to the next frame. In the movie Saving Private Ryan, director of photography Janusz Kaminski used as a trigger for adjustment give his film the look of the photograph of World War II newsreel. Previously, this effect could be achieved only wrong about the date adjustment belts Safety advance mechanism of the film in the camera. However, several manufacturers now offer electronic accessories to control the phase relationship of blind and mechanisms for the advancement of the film. One device is the shift timing available for the above box ARRI 435 series.
Electronic equivalent
Many camcorders also offer the possibility to adjust his shot. In most cases the camera does not have a real mechanical shutter. In contrast, This setting controls the amount of time the electronic sensor collects light to create all the images that follow. Because electronic cameras do not need to mechanically film advance, shutter may be open to almost the entire period of each successive frame. At 24 frames per second, it is possible to present a framework for second almost 1/24th, reaching motion blur and otherwise impossible to achieve in the film, at speeds of sound synchronization.
The electronic shutter term is often used to describe the electronic process control exposure time in a light sensor. The same term is also used in cameras movie to refer to a rotating mechanical shutter can adjust the angle of shooting, while shooting electronically.
Rotary camera shutters Photo
While the vast majority of rotating shutters are naturally used in the motion picture cameras (and projectors), there was some cameras that used this type of shooting, in particular the Univex Mercury and the Olympus Pen F SLR. Both chambers were half-frame 35mm camera (size frame 18 x 24 mm). The rotary shutter proved to be very simple to build, accurate and reliable in these chambers, although in the case of the Univex resulted in a hump very strange "at the top of the camera shutter to cover the disc.
See also
Shutter (photography)
Shutter speed
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Arri Arriflex

Arri Arriflex