Forensic Photography

48問 • 2年前

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Derived from the latin word "forum" which means "a market place where people gathered for public discussion

Forensic

Is the application of the principles of photography is relation to the police work and in the administration of justice.

Police photography

Is the mechanical and chemical result of photography

Photograph

Various sciences and skills which are applied in modern police work, that of photography is one of the most important.

Importance of photography

He invented a photographic process which he called "heliography" meaning writing of the sun.

JOSEPH NICEPHORE NIEPCE

invented a process called calotype,

William henry fox talbot

inventing the cyanotype process and variation the precursors of the modern blueprint process.

John Frederick William Hercchel

is considered to be the first application of photography is police work. Alphonse Bertillion was the first police who utilized photography in police work as a supplementary identification in his Anthropometry system.

Personal Identification

He was the first police who utilized photography in police work as a supplementary identification in his Anthropometry system.

Alphonse Bertillion

Photograph is considered to be one of the most universal methods of communication considering that one other language can be known universally than photograph.

FOR COMMUNICATION

Considered to be the primary used of photography in police work.

For record purposes

Criime scene and other physical evidence requires photograph for preservation purposes, crime scene cannot be retain as is for a long period of time but through photograph the initial condition of the scene of the crime can be preserved properly.

For Reservation

Photograph can extend human vision in

For discovering and proving

Taking a magnified photograph of small object through attaching a camera to the ocular of a compoundmicroscope so as to show a minute details of the physical evidence.

Photomicrography

Taking a magnified (enlarged) photograph of small object by attaching an extended tube lens (macro lens) to the camera.

Photomacrography

Is the process of reducing into a small strips of film a scenario. It is first used in filmmaking

Microphotography

Almost all evidence presented in court before formally be accepted requires that they satisfy the basic requirements for admissibility which is relevancy and competency.

Court exhibits

-With the used of video camera (hidden camera) and other advanced photographic equipment crimes are being detected more easily and even the extent of preventing them from initially occurring

Crime prevention

Most essential element of photography

Light

First camera produced on a silver or silver - covered copper plate

Daguerreotype

Second camera

Film camera

Third camera

digital camera

Reproduction of the evidence

Reproducing and copying

DSLR

Digital single lens reflects camera

Not the same for a picture is generic term

Picture and photography

invented daguerreotype an first camera produced on silver covered copper plate

Louis Jacques Mande

Bodily measurement

Anthropometry system

Telephoto lens

Telephotography

Appers glossy

Bright sunlight

Covers the sun

Hazy sunlight

Thick clouds

Dull sunlight

known as man made light

Artificial Light

Mounted with a holder

Photoflood lamp

serves as the reflector

Flourescent lamp

Bulb with a wire filament

Incandescent lamp

Chemical lamps

Flush bulb

inslantaneous Electrical

Electronic flash

Type of Photographic rays

Xray, ultra violet ray, visible light, infra red

Three type of light action

Reflected, transmitted, absorb

01-30 milimicrons

X-ray

30-400 nanometer

ultra violet ray

400-700 milimicrons

Visible light

700-1000 millimicrons

Infra- red

2 types of light

Visible and invisible

Reach the human eye

visible light

Retina of the human eye

invisible light

Natural light

starlight moonlight sunlight

Greek word Phos or photos, light

Photography

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Ralph John Battung · 36問 · 2年前

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