forensic photography (chapter 1)

31問 • 1年前

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It is an art or science which deals with the reproduction of images through the action of light, upon sensitized materials with aid of camera and its accessories, and the chemical process involved therein.

Photography

Photography derived from the Greek words PHOTOS, which means “_____” and GRAPHOS, which means “__________________”

1. light 2. to draw/write

The word PHOTOGRAPHY was first used by the scientist _____________________.

John Herschel in 1839

It is a method of recording images by the action of light, or related radiation, on a sensitive material.

Photography

The word FORENSIC derived from the word ___________, __________________.

FORUM which means place for legal debate

This refers to a relationship to a court of justice and legal proceedings

Forensic

Pertains to the application of scientific methods and techniques to the investigation of crime

Forensic

Field that covers the legal application of photography in criminal jurisprudence and criminal investigation

Forensic Photography

A science which deals with the study of principles of photography and the presentation of photographic evidence and its application to police works.

police photography

Basic importance of crime photography

1. save money 2. preserve time and event 3. refresh memory

THE FIVE ELEMENTS CONSIDERED IN PHOTOGRAPHY THEREFORE, ARE:

1. light or electromagnetic radiation 2. Camera 3. sensitive materials 4. chemical process 5. subject or object

Photography tools

light camera lens film photographic paper chemistry composition

the source of it may either be natural or artificial light

light or electromagnetic radiation

a light-tight box which maybe of different type, size, and use

camera

materials which are sensitive to light, such as films and photographic paper.

sensitive materials

a process in photography that involves the use of chemicals to develop and fix latent prints on the film and to develop and fix images onto the photographic paper.

chemical process

this refers to animate and inanimate things, persons, or materials which shall be the subject or object of photography.

subject or object

To produce a photograph, ____________________________is needed

light (electromagnetic radiation)

Light radiated or reflected by the subject must reach the _____________________ in controlled amount

sensitive materials (film)

The exclusion of all other lights to be recorded on the sensitized material inside the ____________________is controlled by the lens.

camera (light tight box)

The effect of light on the sensitized material is not visible of any formation of image or objects. This condition of image or object is known as _____________

latent image

The effect could be made visible when this exposed sensitized material undergoes a chemical process known as _____________.

development

USES OF PHOTOGRAPHY

Identification record presentation substitution preservation of evidence deciding factor

Special uses of photography

infrared photography ultraviolet photography photomicrography macrophotography microphotography

Photographing “invisible ink” otherwise known as the __________

security ink

A type of photography serving purpose in photographing small items of evidence such as strands of hair, public hair, soil, or fragments of glass.

photomicrography

The photography of a subject where the image is recorded in the same or larger than actual size.

macrophotography

a photography made on a vastly reduced scale, to be observed using a microscope or projected using a microscope or projected using a “magic lantern.”

microphotography

Inventor of microphotography

george shadbolt

first known example of micro-photography was by

john Benjamin dancer

DIFFERENCE BETWEEN BLACK AND WHITE AND COLOR PHOTOGRAPHY

black and white cannot render real colors of the object because it has only to colors while color photography can record the same likeness as seen in the actual object

CLJ1 FINALS

Adrian Ramirez · 95問 · 2年前

CLJ1 FINALS