Chapter 4 Flashcards
What can be used by an investigator went to witness may be able to recognize the perpetrator of the crime but doesn’t know their identity but the investigator suspects one or more persons of being the perpetrator?
Lineup
What is the minimum amount of photographs that should be present when an investigator is presenting a photographic lineup?
6
How many persons at a minimum should be used during a physical lineup?
6
Where do digital cameras record the date and time?
Metadata
Which two factors does the usefulness of photographic evidence depend on?
Quality and admissibility
Which type of cameras allowed numerous variables to be controlled by the operator including aperture and shutter speed?
SLR
How many megapixels at a minimum is required for close up photography?
8
What is the adjustable opening in the camera which allows the amount of light to be controlled?
Aperture
What is the amount of the photograph from foreground to background that is in focus referred to as?
Depth of field
What is used to measure aperture opening?
F-stop
Typically, what should the ISO rating be set to for most cameras?
100-400
What is the mechanical device that opens and closes camera to control the amount of light?
Shutter
Which size lens is considered a normal lens for 35mm photography?
50-millimeter
Most 50-millimeter lenses cannot properly focus within how many inches from lens to target?
18
What macro lens magnification ratio is normally recommended for close up crime scene photographs?
1:1
