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FORENSIC > CHAPTER 6 > Flashcards

CHAPTER 6 Flashcards

1
Q

This refers to a CELLULOSE TAPE OR PLATE where silver salts are suspended that are capable of recording light

A

Film

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2
Q

This refers to TOP LAYER SCRATCH – RESISTANT COATING; gelatine coating; an over – coating composed of a thin transparent layer of hard gelatine which helps protect the silver halide emulsion from scratches and abrasions

A

Top Coating

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2
Q

Structure of Black – and – white film:

A
  1. Top Coating
  2. Emulsion Layer
  3. Film Base
  4. Anti – Curl
  5. Structure of Color Film
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2
Q

This refers to structure of film that is made of cellulose acetate or other materials such as PAPER, PLASTIC OR GLASS which supports the emulsion layer and is coated with a non – curl anti – halation backing.

A

Film Base

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2
Q

it absorbs light that may penetrate the emulsion layer to PREVENT IT FROM REFLECTING BACK TO THE EMULSION thus making the mage sharper since it suppresses double image, and prevents the appearance of halo formation in the photograph

A

Anti – Curl

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3
Q

Type OF Monochromatic Film:

A

1.Blue Sensitive Film
2.Ultra – Violet Sensitive Film

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3
Q

This refers to structure of film that composed
of SILVER HALIDES AND GELATINE

A

Emulsion Layer

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3
Q

This refers to a BLACK DYE applied on the
rear surface of the film

A

Anti – Curl

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3
Q

According to Spectral Sensitivity (Color Sensitivity):

A
  1. Monochromatic Film
  2. Panchromatic Film
  3. Orthochromatic Film
  4. Infrared Film
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4
Q

This refers to film that is sensitive to a single color
of light

A

Monochromatic Film

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4
Q

This refers to emulsion layer that CONSIST THREE OR FOUR LAYERS stacked one on top of another with filter in between each.

A

Structure of Color Film

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4
Q

This refers to film that is MORE SENSITIVE TO BLUE rays of light.

A

Blue Sensitive Film

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5
Q

This refers to film that is SENSITIVE TO UV RAYS ONLY

A

Ultra – Violet Sensitive Film

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6
Q

This refers to film that is sensitive TO ULTRA VIOLET RAYs, AND ALL LIGHT found in the visible spectrum, especially to blue and violet light, suitable for general use in the preparation of BLACK AND WHITE PHOTOGRAPHS

A

Panchromatic Film

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7
Q

MOST COMMONLY USED IN INVESTIGATIVE PHOTOGRAPHY because it produces the most natural recording of colors

A

Panchromatic Film

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7
Q

This refers to film that is sensitive to UV rays, blue and green colors but NOT TO RED.

A

Orthochromatic Film

8
Q

REDS ARE RECORDED AS DARK TONE, while greens and
blues as light tones when printed

A

Orthochromatic Film

8
Q

This type of film is popular in the market as the KODALITH FILM

A

Orthochromatic Film

9
Q

Two Main Types of Color Film:

A
  1. Color Reversal of Color Film
  2. Color Negative Film
9
Q

This sensitivity is expressed in numerical RATING AS ASA
Exposure Index.

A

Film Speed

9
Q

This refers to film that is SENSITIVE TO INFRARED and ultra
– Violet radiation, which is beyond the human eye’s sensitivity,

A

Infrared Film

9
Q

SENSITIVE TO ALL COLORS found in the spectrum, and useful in penetrating haze because of its longer wavelength

A

Infrared Film

9
Q

This refers to FILM SENSITIVE TO LIGHT

A

Film Speed

10
Q

Speed Rating – Types of speed ratings:

A
  1. ASA
  2. DIN
  3. ISO
11
Q

ASA MEANS

A

Americal Standards Association

11
Q

Film Sizes:

A
  1. 110
  2. 120
  3. 126
  4. 135
  5. 220
11
Q

ISO MEANS

A

Combination of ASA and DIN

11
Q

DIN MEANS

A

Deutche Industries Normen

11
Q

This refers to film sizes for CARTRIDGE LOADING POCKET cameras

A

110

12
Q

This refers to film sizes that give a picture that measure about 2/14 INCHES WIDE

A

120

13
Q

This refers to film sizes that is OLDER AND LARGER CARTRIDGE loading type,

A

126

14
Q

This refers to film sizes that are commonly known as 35mm, so named because the film is 35MM WIDE

A

135

15
Q

It was originally for motion pictures and the size USED IN COMMERCIAL theatres.

A

135

16
Q

This refers to film sizes that are the same as 120’S BUT YIELDS TWICE MANY EXPOSURES

A

220

FORENSIC (9 decks)

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