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From Flashcardlet > CSP Exam 2 > Flashcards

CSP Exam 2 Flashcards

1
Q

mid range photos

A

evidence-establishing, w/ placards, to demonstrate location and relationship

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2
Q

overall photos

A

first types of photos taken (except photo ID card), wide angle lens, 4 corners, prior to and after placards are in place

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3
Q

photography methodology

A

photo ID card first, use photo log, overall photos taken ASAP, fragile evidence ASAP w/ mid-range and close up,

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4
Q

legal challenges

A

accuracy, distortion, relevance

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5
Q

wide angle lens

A

too wide can introduce distortion, 28 mm for overall, 50 mm/50 mm macro usually all that is required

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6
Q

video taping

A

NOT a substitute for photos, pan slowly for 10 secs on critical evidence

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7
Q

video taping biggest problem

A

AUDIO and lighting

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8
Q

video taping taken when?

A

after normal overall photos, should be a non-intrusive walk through before and after placards

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9
Q

close up photos

A

fill entire viewfinder, use placards, with and without scale, can be taken back at lab

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10
Q

two reasons why CS photos are poor

A

failure to understand CS photography, lack of experience in handling camera

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11
Q

three basic aspects of camera

A

physical control, light, focus and depth of field

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12
Q

depth of field

A

the focus of objects in front of and beyond the subject of the photo

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13
Q

f-stop

A

determines how wide the aperture is. higher f stop number, smaller aperture opening (lets in less light)

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14
Q

smaller aperture

A

greater depth of field (more things are in focus)

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15
Q

greater depth of field

A

necessary in overall and mid range photography

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16
Q

improve depth of field

A

smaller aperture, focus 1/3 of the way into objects

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17
Q

mode dial: S

A

shutter: adjusts shutter speed. use to increase/decrease light and stop action.

18
Q

*mode dial: A

A

aperture: you pick the aperture opening/f-stop. adjusts depth of field!

19
Q

mode dial: M

A

manual: you pick the shutter and aperture opening

20
Q

mode dial: P

A

programmed auto: picks every setting–flash, ISO, shutter, aperture, etc.

21
Q

TTL

A

through the lens

22
Q

BL

A

backlit or balanced fill

23
Q

oblique lighting requires

A

requires sync cord and detachable flash

24
Q

oblique lighting

A

flash held at 45 degree angle to object

25
Q

paint with light

A

uses B (bulb) setting to keep aperture open, used in large fields, total darkness, especially outdoors when light won’t bounce off floors or ceilings

26
Q

paint with light used

A

indoors and outdoors, large fields of evidence, an artistic (trial and error!) technique

27
Q

sketching

A

the actual drawing

28
Q

mapping

A

process of measuring and fixing items at the scene, taking and documenting these measurements

29
Q

5 elements of a sketch

A

heading, title block, legend, scale and direction notations, , diagram area

30
Q

heading

A

why the sketch was created

31
Q

title block

A

location, date, sketch creator

32
Q

legend

A

what labels depict and tables with information on measurements

33
Q

scale and direction notations

A

compass, scale

34
Q

diagram area

A

drawing itself

35
Q

PSA flight 1771

A

LA to SF, cruising 29,000 ft, accurate sketch means accurate reconstruction

36
Q

advanced mapping methods

A

azimuth wheel (vectoring), laser systems (total stations)

37
Q

triangulation

A

needs 2 stable, static RP

38
Q

cross projection/exploded sketch

A

to document ballistics, evidence on walls, etc.

39
Q

narrative

A

short but concise description, including location, date/time, site description, evidence in view, conditions such as weather, light, noises, odors, etc.

40
Q

narrative descriptions must be

A

accurate, detailed, understandable

41
Q

narrative methodology

A

general to specific (lights on/off,/ heat on/off, newspaper, light, wind…)

42
Q

CS final report

A

compilation of ALL reports–narrative is part of final report

From Flashcardlet (20 decks)

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