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cpi > Photographic > Flashcards

Photographic Flashcards

1
Q

Greek work light

A

Photos

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2
Q

Greek word drawing

A

Graphos

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3
Q

1819

A

John hersel

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4
Q

Discover the properties of thiosulfate

A

John hersel

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5
Q

Pave the way of permanent pictorial production

A

Discovery of fixing properties of thiosulfate

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6
Q

1839

A

first exhibit with photographs was done

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7
Q

released his formula to manufacture a familiar
daguerreotype

A

Louise daguerre

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8
Q

made the first photographic portrait

A

Dorothy Catherine draper

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9
Q

improved and perfected the “WET-COLLDION
PROCESS”

A

Archer (1851)

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10
Q

discovered the SUPERIOR GELLATIN process, which had been preferred by the public

A

Maddox (1851)

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11
Q

discovered that dye molecules absorbed on
the silver haldes crystals greatly increased the
light sensitivity of these crystals

A

Vogel (1873)

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12
Q

introduced TRANSPARENT ROLL FILM and popularized the SNAP SHOT

A

George eastman (1889)

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13
Q

Introduce transparent roll

A

George eastman

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14
Q

Popularized snap shot

A

George eastman

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15
Q

sucessfully reproduced images as negatives
on papers impregnated with silver salts

A

Thomas wedgewood

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16
Q

Hoescht Dye Works in Germany used color sentisized emulsions

A

1904

17
Q

Velox developing paper was discovered by

A

Leo Beakland (1906)

18
Q

Wratten panchromatic plates were introduced.

A

1906

19
Q

Portrait Film was introduced and at the same
time, Projection Printing came into general use

A

1920

20
Q

natural color film amateur color prints were
introduced respectively

A

1928 & 1941

21
Q

Amateur used photography:

A

Prints
Home movie
Small transparency

22
Q

process of producing image by the action of
light or other radiant energy

A

Photography

23
Q

Photography includes ________ and ________ LIGHT are included
as initiators

A

Ultraviolet
Infrared

24
Q

are widely used for medical use, x-rays, graphical arts, and engineering drawings but are slower compared with SILVER HALLIDE films.

A

Silverless films

25
Q

a new development that threatens to take over some of silver film market

A

Electron camera

26
Q

uses VIDEOTAPE instead of FILM to produce image

A

Electron camera

27
Q

emplloyed as the sensitive substance in most widely used
photographic products

A

Silver halide

28
Q

has natural sensitivity to ultraviolet and blue radiation

A

Silver halide

29
Q

composed of suspension of minute silver
halide crystals in gelatin

A

Emulsion

30
Q

fogging of the emulsion by light reflected into
it from the back surface of the film

A

Halation

31
Q

Capable of reducing exposed crystal of silver halide in emulsion to silverwithout reducing the the unexposed crystal at the same time

A

Developing agent

32
Q

Active developing agent and pH control

A

Activator

33
Q

Gaurd against oxidation, prevent staine of emulsion

A

Preservatives

34
Q

Prevent chemical fog

A

cpi (7 decks)

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