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a novel from cinematic expression
Depth of field in motion picture is a powerful cinematic storytelling device. In the past, Cinematographers have always been limited to choosing either a shallow or deep depth of field that stays consistent throughout the shot.
A variable depth of field has vast creative applications. Instead of simply communicating the emotional state of a character, the effect of a changing depth of field may be used to express a shift in the subject’s emotional state.
The transition from a sharp background to a blurry background forces the viewer to shift his focus to the subject. The Cinefade could be used in narrative film and TV to immerse the viewer into a protagonist's world or in a commercial to make a client's product stand out from the rest.
HOW TO CHANGE DEPTH OF FIELD AT CONSTANT EXPOSURE.
The Iris is operated to vary depth of field.
A light filter keeps exposure constant.
The cmotion Cinefade system varies depth of field in a single motion picture shot at constant exposure, enabling the gradual transition between a sharp and a blurry background.
This is accomplished by using the new cmotion Cinefade motorized variable ND filter, which is paired to an iris motor on the lens. This enables an iris change of up to 5 stops,while keeping exposure constant.
The Cinefade filter is compatible with most Arri matte boxes (LMB5/25, 4x5, MB18) and is fully integrated into thecmotion cvolution ecosystem via the LBUS protocol.
Its small and light weight design combined with its plug and play simplicity enables a unique cinematic effect in a very efficient way.
COMPATIBLE WITH ALL CAMERAS AND CINEMA LENSES.
cmotion Cinefade uses a light filter to compensate for the change in exposure rather than shutter speed or ISO compensation. The camera accessory is compatible with all film and digital cameras that use a cinema lens with manual aperture control.
ANY CINEFADE RANGE UP TO 5 T-STOPS.
cmotion Cinefade is not limited by the camera's shutter or ISO capabilities. It is possible to to achieve a Cinefade of up to 5 T-stops within the lens' limits without any loss in quality or undesirable artifacts, such as unnatural motion blur or sensor noise.
FAST AND EASY SET-UP AND CALIBRATION.
The custom cmotion software and custom Filter Tray work together to allow fast and easy calibration of lens and Filter Tray at the push of a button, as well as full control over the Cinefade via a slider on the hand unit.
NO LOSS IN OPTICAL PICTURE QUALITY.
Cinefade uses Formatt-Hitech polarizing filters to attenuate the light with no loss in optical picture quality up to 5+ stops stops of extinction. There are no undesirable artifacts, such as unnatural motion blur or sensor noise to worry about.