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Graduated filter, grad
| Light Glossary |
A filter with modulated-color or gray areas which can be oriented in front of the camera to control contrast or add color to part of a scene. also see: attenuator.
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Attenuator, английский
- A circuit that provides reduction of the amplitude of an electrical signal without
- Ослабитель (сигнала); подавитель (колебаний); магазин затухания а/т auto throttle автомат тяги
- Ослабитель (сигнала); подавитель (колебаний); магазин затухания
- Ослабитель; подавитель
- A device for reducing the amplitude of a signal.
- A circuit that provides reduction of the amplitude of an electrical signal without introducing appreciable phase or frequency distortion.
- A component that incorporates a specific amount of loss into an operational optical network. s also provide a safety margin in planned networks to allow for electronics degradation over time, or physical changes to the optical component portion of the network. s come in two styles, fixed and variable. variable optical attenuators are used for testing systems for dynamic range and quality of signal testing
- 1) in electrical systems, a usually passive network for reducing the amplitude of a signal without appreciably distorting the waveform. 2) in optical systems, a passive device for reducing the amplitude of a signal without appreciably distorting the waveform.
- Аттенюатор; развязка; ослабитель мощности
- In a mixing console, an adjustable resistive network that reduces the microphone signal level to prevent overloading of the input transformer and mic preamplifier.
- A device that causes a known loss in energy of a beam that is passed through it. it may be calibrated in decibels.
- Device for varying the signal amplitude on an ultrasonic instrument. usually calibrated in decibels.7,21 b
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Gobo, английский
- A flag; also a disk with a cutout pattern that casts shadows when used in an ellipsoidal spot light.
- Something used to block unwanted or stray light from falling onto the subject. often a reflector (using the black side) can serve a dual purpose and act as a gobo as well.
- Short for `go-between`, a portable partition used when recording to prevent sound leakage between adjacent microphones.
Contrast (viewing) glass, английский
A filter that darkens the scene to help the new and old pro evaluate contrast and shadow areas.
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