Day 1 Flashcards

1
Q

The camera of choice for crime scene photographers is:

A

Single Lens Reflex (SLR)

  • extremely versatile
  • Interchangeable parts and can upgrade
  • used in variety of situations and including low light
  • capable of shooting 30 second photographs
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2
Q

The infinity symbol means:

A

Maximum distance of focus with camera lens

-focus based on distance

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3
Q

The filter ring size has nothing do with focal length but refers to:

A

Diameter of lens threaded end

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4
Q

Flashes are graded by their power_______________.

A

Guide number

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5
Q

Shutter priority refers to:

A

User picks shutter speed and camera picks aperture for proper exposure.

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6
Q

Aperture priority refers to:

A

User picks aperture and camera picks shutter speed for proper exposure.

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7
Q

Maximum aperture is 3.5 for 18mm lens is:

A

1: 3.5 - 5.6

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8
Q

In the Program mode, the user decides:

A

If flash is needed

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9
Q

The actions of light are:

A
  1. Absorption
  2. Reflection
  3. Refraction
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10
Q

The visible light range is:

A

400NM to 700NM

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11
Q

UV light is greater than:

A

400NM

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12
Q

Infrared light is greater than:

A

700NM

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13
Q

Reflection is when the angle of incidence equals angle of___________

A

Reflection

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14
Q

Exposure value is:

A

When the stop of light is equal to 1/2 or 2X the amount of light to the next full stop of light.

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15
Q

Camera determines or converts exposures to:

A

18% Gray

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16
Q

Camera uses reflective meter to evaluate light by attempting to base correct exposure on:

A

18% Gray

17
Q

Best shutter speed to stop motion is:

A

1/1000 fastest speed

18
Q

If a subject is largely white it is at risk of being:

A

Under exposed

19
Q

Shutter priority is used to________.

A

Stop motion.

20
Q

Bracketing captures an image with:

A

Varying degrees of light

21
Q

Black and white photography has applications in:

A

UV, Infrared and fingerprint

22
Q

ISO 100 setting has the best:

A

Color saturation and sharpest image

23
Q

The advantage film has over digital photography is:

A

Higher Dynamic Range

24
Q

Film could be a better choice than digital for:

A

Extraordinary Long Exposures

25
Q

The exposure value is___________________

A

Stop of light is equal to 1/2 or 2X amount of light to the next full stop of light.

26
Q

Reciprocity Failure is________________

A

After 4 seconds film or image should be twice as bright but is not.

27
Q

Zone of sharp focus will_________________

A

Extend 1/3 forward from point of focus and 2/3 to the rear.

28
Q

Factors that affect depth of field are:

A
  1. Aperture
  2. Lens choice
  3. Subject to camera distance
29
Q

Rule of thumb when hand holding camera:

A

Shutter speed should be 1 over focal length of lens to prevent camera shake.

30
Q

Long range photographs show_________________

A

Location of crime scene

31
Q

Mid- range photographs show:

A

Relationship between evidence and scene

32
Q

Close-Ups show:

A

Single piece of evidence

33
Q

Examination photographs are done with___________

A

A scale to show one to one comparison and shot at 90 degrees

34
Q

Improving composition of depth of field greatly improves ________

A

Mid-range relationships in photographs