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Forensic Photography > 1 > Flashcards

1 Flashcards

1
Q

is the science which deals with the study of principles of photography and the
preparation of photographic evidence

A

Police photography

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2
Q

is the legal guiding principle.

A

no evidence, no case

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3
Q

the general rule in taking crime scene photographs

A

Take many photographs and select the best

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4
Q

is an art form as used by the pictorialist who may purposely make a photograph slightly
out of focus to create a mood.

A

Photography

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5
Q

the first camera

A

Camera obscura

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6
Q

He found that bitumen of Judea, a compound that hardens when exposed to light, could produce negatives

A

Joseph Nicephore Niepce

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7
Q

A forerunner to the earliest photographic process, invented by
Niepce in 1822. It entails using bitumen, a material that hardens and
becomes insoluble in light. He hoped to use this process to transfer images to be printed on apress.

A

Heliography

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8
Q

A French inventor, who, after collaborating with Niepce, devised the first practicable photographic process. Also known as the FATHER OF PHOTOGRAPHY

A

Louis Jacques Mande Daguerre

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9
Q

An early photographic process using silver coated, light-sensitive
metallic plates developed by mercury vapor.

A

Daguerreotype

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10
Q

The inventor of the positive-negative photographic process

A

William Henry Fox Talbot

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11
Q

He discovered that thiosulphate of soda, the chemical now referred as “Hypo”,would fix images on
photosensitive paper by stopping the chemical action of
silver salts.

A

Frederick William Herschel

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12
Q

The chemical, still in use and known as

A

Fixer / Sodium thiosulfate / Hypo

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13
Q

he invented a wet-plate collodion photography or wet-plate process now known as
Archerotype, by which finely detailed glass negatives
were produced

A

Frederick Scott Archer

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14
Q

is an early method for producing glass negatives. The procedure began with the
use of a sticky substance that could hold the silver that produces a photographic image

A

Collodion process

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15
Q

An English physician who took Archer’s discovery a step further with his “dry plate” process, which used an
emulsion or gelatin and silver bromide or a glass
plate.

A

Richard Leach Maddox

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16
Q

He introduced the Kodak box camera in 1888 with the promotional slogan “You press the button, we do the
rest

A

George Eastman aka. Mr. Kodak

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17
Q

An American inventor in 1947 , he invented
instant photography and introduced the first
Polaroid camera
, which produced a sepia
monochrome print in just 60 seconds

A

Dr. Edwin H. Land

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18
Q

Is a form of energy which
makes it possible to see. The radiant
energy that makes things visible.

A

Light

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19
Q

299 ,793 kilometers
per second or 186 ,000 miles per
second

A

Speed of Light

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20
Q

Electromagnetic radiation
that can be perceived by the normal,
unaided humaneye and has
wavelengths between 3 ,900 and 7 ,
700 angstroms

A

Visible

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21
Q

is only a tiny
fraction of the electromagnetic
spectrum.

A

Visible light

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22
Q

These are
radiations having a wavelength
between 400 -700

A

visible rays

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23
Q

These are
radiations having a wavelength
between 700 -
1 ,000 millimicrons or nanometer.
- It also referred to as heat rays or
heat wave.

A

Infrared rays

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24
Q

The two main sources of light

A

Natural light and Artificial Light

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25
Q

It refers to the
daylight coming from the sun, which
is in
general utilized for outdoor
photography.

A

Natural Light

26
Q

Classification of daylight according to its intensity

A

Bright light
Hazy light
Dull light

27
Q

A lighting condition
wherein objects in open space cast a
deep or
uniform shadow.

A

Bright light

28
Q

A lighting condition
wherein the objects in open space
cast a transparent shadow.

A

Hazy light

29
Q

A lighting condition
wherein the objects in open space
cast no
Shadow.

A

Dull light

30
Q

It refers to
those lights, which are man-made.

A

Artificial light

31
Q

The basic parts of camera

A

Light tight box
Lens
Shutter
Film holder
Viewfinder

32
Q

The frame of the
camera in which all other parts are
mounted.

A

Light tight box

33
Q

A medium which
converges or diverges light passing
through it to form
images.

A

Lens

34
Q

The device that
regulates the amount of time that
light reaches the film.

A

Shutter

35
Q

An essential part of
a camera which is designed to hold
the film in place at the back of the
camera so that the image produced
by the lens will be sharp over the
whole picture area.

A

Film holder

36
Q

The optical window
used to view the subject being
photographed

A

View finder

37
Q

Different types of camera

A

Single lens reflex (SLR) camera
Twin lens reflex (TLR) camera
Compact camera
Digital camera
View Camera
Polaroid camera
Spy camera
Infrared camera
Pinhole Camera
Disposable Camera
Cellphone Camera

38
Q

is the ideal type
of camera available for police
photography due to its versatility,
compactness, and interchangeability
of camera lens

A

Single Lens Reflex Camera

39
Q

The three basic controls of camera

A

Focusing control
Aperture
Shutter Speed

40
Q

Three-legged device
used to support or hold the camera
duringexposure, particularly when
using a slower shutter speed.

A

Tripod

41
Q

A flexible cable
that screws into the shutter release,
used to prevent camera movement

A

Cable Release

42
Q

is a form of
photography that uses digital
technology to capture, store, and
transfer images.

A

Digital Photography

43
Q

Is the process of photographing or
recording the crime scene or any
objects for
court presentation

A

Forensic photography

44
Q

FUNCTIONS OF PHOTOGRAPHY IN INVESTIGATIVE WORK

A

Identification
Communication and microfilm files
Evidence
Action of offenders
Court Exhibits
Crime prevention
Public Relations
Police Training
Reproduction and copying

45
Q

This is done by simply soaking the film in water for 2 to 3 minutes while agitating the water
container for every 20 seconds.

A

Pre developing water rinse

46
Q

The process of converting the exposed image on the film into actual image

A

Developing

47
Q

The removal of the traces of the developer
as well as it helps in the removal of excess or undeveloped silver halides

A

stop bat

48
Q

This is the final part of the processing cycle, which removes the residual chemicals and
soluble silver compounds from the emulsion and reveals the image

A

Washing

49
Q

The most important chemical in
any developing agent.

A

Reducing Agent

50
Q

The purposes of accelerators are
to energize the reducing agents
and they soften and swellthe
emulsion to permit the developer
to penetrate deeply and quickly.

A

Accelerators

51
Q

The three kinds of accelerators
are

A

Sodium carbonate
Sodium hydroxide
Borax

52
Q

The commonly used preservative

A

Sodium sulfite

53
Q

A developer for
prints. It produces a very high
contrast film

A

Type A (D-72)

54
Q

It is suitable for
developing film exposed under
dull or hazy lighting conditions.

A

Type B (D-19)

55
Q

The so called
“Normal Developer
. Used for
developing films exposed under
normal lighting conditions

A

Type C (D-50)

56
Q

used to reduce
excessive lighting contrast

A

Type D (D-76)

57
Q

Otherwise
known as “hypo” . It dissolves the
unexposed silver halides.

A

Sodium Thiosulfate

58
Q

It is the accidental exposure of
film to light.

A

Fogging

59
Q

Using three exposures with the
use of the manual control if in
doubt of the amount of light
appropriate for one shoot.

A

Bracketting

60
Q

is the process
whereby light is transmitted
through the negative to produce a
like positive image

A

Printing

61
Q

is made by
placing a sheet of printing paper
in direct contact with a negative ,
emulsion to emulsion

A

Contact Printing

62
Q

the
negative image is projected onto
a photographic paper by meansof
enlarger machine

A

Projection Printing

Forensic Photography (1 decks)

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