Basic Photography Course

LAW OF REFLECTION

茅he angle of reflection is

equal to the angle of incidence.

LENS

背n photography, the optical instrument or

arrangement of light-refracting elements in a group;
the whole designed to collect and distribute rays of
light in the formation of an image.

LENS, COMPOUND

耍 lens composed of two or more

separate elements with a common axis. (PIA)

LENS, MIRROR

胝ne employing reflecting elements

in addition to light-transmitting elements; usually to
obtain compactness in telephoto objectives. (PIA)

LENS ELEMENTS

背ndividual simple lenses that are

combined to form a compound lens. (PIA)

LIGHT, AMBIENT

范urrounding light; the general

room illumination or light level.

LIGHT, DIFFUSED

胎ight that does not reach the

subject in a single beam but is scattered by a
medium, such as clouds, ground glass, spun glass,
or thin fabric.

LIGHT, FILL-IN

范econdary illumination directed to

illuminate shadow areas and avoid excess contrast.

Also known as fill light. (PIA)

LIGHT, INCIDENT

茅he light that strikes an object,

distinguished from the light reflected from or
transmitted by the object. (PIA)

LIGHT, POLARIZED

胎ight in which the electric

vector of the wave vibrates in one plane, rather than
all planes, as it does in ordinary (unpolarized) light.
Light may become polarized by reflection or by
passing through optical devices or sheets known as
"polarizers."

LIGHT BOX

耍 device for viewing transparencies or

negatives, providing diffuse illumination evenly
dispersed over the viewing area.

LIGHT SENSITIVE

胞aterials that undergo changes

when exposed to light. The commonly used
photographic light-sensitive materials are the silver
halides used in films and papers, diazo dyes, and
bichromated gelatin. (PIA)

LIGHTING, FLAT

背llumination of a photographic

subject often achieved by frontlighting or multiple
sources with diffusers that minimizes contrasts and
shadows. (PIA)

LIGHTING, FRONT

背llumination on the subject

coming from near the camera position. (PIA)

LIGHTING, INDIRECT

背llumination by means of

light reflected to the scene from shielded sources.

LIGHTING, LOW KEY

耍 type of lighting which

when applied to a scene results in a picture having
gradations from middle gray to black, with
comparatively limited areas of light gray and
whites.

LINE COPY

耍 document consisting essentially of two

tones (such as black and white, black and tinted, and
brown and buff) without intermediate tones.

LITER

耍 unit of capacity in the metric system,

equivalent to 1.056 quarts in United States
customary liquid measurement. (PIA)

LOADING

茅he insertion of photographic film, plates,

or paper into holders, hangers, magazines, and so
forth, before exposure or processing.

LONG SHOT

背n motion pictures, a scene filmed at a

considerable distance from the camera to establish
locale. Also applied to scenes which show
full-length figures, as opposed to waist-length, head

and shoulders, and so forth.

LOW-ANGLE (SHOT)

苦here camera is placed low

and the scene is photographed at an upward angle.

LUX

胎umen per square meter, a unit of illuminance.

MASK

�(l) An opaque sheet of thin material used to

limit the area of a picture or to secure white margins
on a photograph. (2) A supplementary negative or
positive used for the purpose of contrast correction
in black-and-white prints. (3) A supplementary
positive either on a separate sheet or incorporated
in an integral color tripack negative for the purpose
of color correction. (PIA)

MATTE

耍 relatively dull surface on photographic

prints, having a very low level of specular
reflection.

MATTE BOX

耍 device attached to the front of a

camera to hold mattes, filters, diffusing screens, and
so forth, in front of the lens.

MEDIUM

耍ny substances or space through which

light can travel.

METER

耍 unit of length measurement in the metric

system approximately equal to 39.37 inches.

METOL-HYDROQUINONE (M-Q)

胖esignating

photographic developers that use a combination of
metol and hydroquinone as the developing agent.

AI-10

contents

Basic Photography Course

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DOFMaster for Windows On-line Depth of Field Calculator DOFMaster for Mobile Devices On-line Depth of Field Table Hyperfocal Distance Chart Articles FAQ Recommended Books Support Contact Links Home As an Amazon Associate I earn from qualifying purchases.	contents <- previous page next page -> LAW OF REFLECTION 茅he angle of reflection is equal to the angle of incidence. LENS 背n photography, the optical instrument or arrangement of light-refracting elements in a group; the whole designed to collect and distribute rays of light in the formation of an image. LENS, COMPOUND 耍 lens composed of two or more separate elements with a common axis. (PIA) LENS, MIRROR 胝ne employing reflecting elements in addition to light-transmitting elements; usually to obtain compactness in telephoto objectives. (PIA) LENS ELEMENTS 背ndividual simple lenses that are combined to form a compound lens. (PIA) LIGHT, AMBIENT 范urrounding light; the general room illumination or light level. LIGHT, DIFFUSED 胎ight that does not reach the subject in a single beam but is scattered by a medium, such as clouds, ground glass, spun glass, or thin fabric. LIGHT, FILL-IN 范econdary illumination directed to illuminate shadow areas and avoid excess contrast. Also known as fill light. (PIA) LIGHT, INCIDENT 茅he light that strikes an object, distinguished from the light reflected from or transmitted by the object. (PIA) LIGHT, POLARIZED 胎ight in which the electric vector of the wave vibrates in one plane, rather than all planes, as it does in ordinary (unpolarized) light. Light may become polarized by reflection or by passing through optical devices or sheets known as "polarizers." LIGHT BOX 耍 device for viewing transparencies or negatives, providing diffuse illumination evenly dispersed over the viewing area. LIGHT SENSITIVE 胞aterials that undergo changes when exposed to light. The commonly used photographic light-sensitive materials are the silver halides used in films and papers, diazo dyes, and bichromated gelatin. (PIA) LIGHTING, FLAT 背llumination of a photographic subject often achieved by frontlighting or multiple sources with diffusers that minimizes contrasts and shadows. (PIA) LIGHTING, FRONT 背llumination on the subject coming from near the camera position. (PIA) LIGHTING, INDIRECT 背llumination by means of light reflected to the scene from shielded sources. LIGHTING, LOW KEY 耍 type of lighting which when applied to a scene results in a picture having gradations from middle gray to black, with comparatively limited areas of light gray and whites. LINE COPY 耍 document consisting essentially of two tones (such as black and white, black and tinted, and brown and buff) without intermediate tones. LITER 耍 unit of capacity in the metric system, equivalent to 1.056 quarts in United States customary liquid measurement. (PIA) LOADING 茅he insertion of photographic film, plates, or paper into holders, hangers, magazines, and so forth, before exposure or processing. LONG SHOT 背n motion pictures, a scene filmed at a considerable distance from the camera to establish locale. Also applied to scenes which show full-length figures, as opposed to waist-length, head and shoulders, and so forth. LOW-ANGLE (SHOT) 苦here camera is placed low and the scene is photographed at an upward angle. LUX 胎umen per square meter, a unit of illuminance. MASK �(l) An opaque sheet of thin material used to limit the area of a picture or to secure white margins on a photograph. (2) A supplementary negative or positive used for the purpose of contrast correction in black-and-white prints. (3) A supplementary positive either on a separate sheet or incorporated in an integral color tripack negative for the purpose of color correction. (PIA) MATTE 耍 relatively dull surface on photographic prints, having a very low level of specular reflection. MATTE BOX 耍 device attached to the front of a camera to hold mattes, filters, diffusing screens, and so forth, in front of the lens. MEDIUM 耍ny substances or space through which light can travel. METER 耍 unit of length measurement in the metric system approximately equal to 39.37 inches. METOL-HYDROQUINONE (M-Q) 胖esignating photographic developers that use a combination of metol and hydroquinone as the developing agent. AI-10 contents Basic Photography Course <- previous page next page ->	As an Amazon Associate I earn from qualifying purchases.
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