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Graduated scrim
| Light Glossary |
A hard light scrim with a degree of subtlety in modulating the brightness of areas of the subject or scene. a fast fix for subjects burning up as they approach a strong light. see: moving subjects.
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Graduate, английский
Graduate course advisor, английский
Советчик по курсам для студентов выпускников; экспертная система cga
Graduate student, английский
Аспирант
Graduated, английский
A sharp knife used in operations on cataracts [after friedrich wilhelm ernst albrecht von graefe (1828–70), professor of ophthalmology in berlin, germany]
Graduated call writing, английский
Selling covered call options at incrementally rising exercise prices, so that as the price of the underlying stock rises and the options are exercised, the seller receives a higher average price than the original exercise price.
Graduated cant plate, английский
See plate, graduated cant.
Graduated coating, английский
Graduated course, английский
One of a number of courses of roofing slates that diminish in gauge from the eaves to the ridge.
Graduated filter, grad, английский
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.
Graduated flask, английский
Graduated handle, английский
Штурвал с (градуированным) лимбом; рукоятка штурвала с лимбом
Graduated lease, английский
A type of long-term lease whose payments are variable rather than fixed, and depend upon a benchmark rate, such as changes in the consumer price index.
Graduated neutral density, английский
Graduated neutral density. a type of neutral density filter in which brightness is reduced more on one side of the filter than on the other, allowing the photographer to reduce the contrast between, for example, bright sky and dark land.
Graduated payment, английский
Repayment terms calling for gradual increases in the payments on a closed-end obligation. a graduated payment loan usually involves negative amortization.
Graduated payment mortgage, английский
Graduated payment mortgage (gpm), английский
A fixed-rate, fixed-schedule loan. it starts with lower payments than a level payment loan; payments rise annually, with the entire increase being used to reduce the outstanding balance. the increase in payments may enable the borrower to pay off a 30-yea
Graduated pipette, английский
Graduated security, английский
A security that has moved from listing on an exchange of less prominence to one of more prominence.
Graduated staff; leveling staff (pi, английский
Graduated tail, английский
Modulating, английский
Brightness, английский
- Term for the intensity of illumination of a reproduced video picture.
- The attribute of visual perception in accordance with which an area appears to emit or reflect more or less light (this attribute of color is used in the color model hsb - hue, saturation, brightness). see lightness.
- A term to indicate the relative amount of light intensity available. brighter is more light, dimmer is less light. in an infrared system, the brightness control may affect actual image intensity or it may change the temperature range displayed. either eff
- The attribute of visual perception in accordance with which an area appear to emit more of less light. (luminance is the recommended name for the photo-electric quantity which has also been called brightness.)
- In ntsc and pal video signals, the brightness information at any particular instant in
- Яркость
- The value of a pixel in an electronic image, representing its lightness value from black to white. usually defined as brightness levels ranging in value from 0 (black) to 255 (white).
- In ntsc and pal video signals, the brightness information at any particular instant in a picture is conveyed by the corresponding instantaneous dc level of active video. control is an adjustment of setup (black level, black reference).
- Is strictly defined as an attribute of a visual sensation according to which an area appears to emit more or less light. we sometimes misuse the term brightness in this catalog instead of the more correct “luminance.” luminance, used for sources, is the luminous flux in an elemental beam from a given point per unit area per solid angle in the specified direction.
- The visual sensation of the luminous intensity of a light source. the brightness of a laser beam is most closely associated with the radiometric concept of radiance.
- A term mostly used in a qualitative way, related to the output power and beam quality of a laser; quantitatively
- The luminance of objects. the brightness of any area of the subject is dependent on how much light falls on it and how reflective it is. brightness range is the relationship we perceive between the light and dark subjects in a scene. brightness contrast is a judgment of the relative measure of that range, such as high, low, or normal. brightness values are sometimes referred to as ev (exposure values), a combination of aperture and shutter speed. brightness values in the scene are translated to tonal values on film.
- Value of a pixel in a digital image giving its value of lightness from black to white, with o being black and 255 being white.
- That attribute of visual perception in accordance with which a surface appears to emit more light or less light. now called luminance.
- The amount of light that is emitted by a computer monitor or picture displayed on the monitor.
- Яркость. для видеосигналов систем ntsc и pal
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Specular (subject), английский
A highly reflective, mirror-like surface. tip: if your subject is specular and small, stick it in a translucent tent, cut a hole for your lens, and douse it with light. or surround it with white panels.
Barndoor, английский
A front-of-the-light device having two or more pivotable black panels used to shape the beam and shade the camera lens or scene.
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