FRSC 3010 MIDTERM EXAM QUESTIONS AND ANSWERS WITH
COMPLETE SOLUTIONS VERIFIED GRADED A++
what is the responsiblity of the crime scene examiner
recording, documnting, and searching the scene. Collecting, perserving, and submitting
exhibits. testifying, and working independently without tunnel vision
scene photos vs exhibit photos
scene photos are taken before processing to show everything as it is found. it paints a
picture and complements evidence photos by covering all perspectives
exhibit photos- taken of a series of 4 photos from general to specific of evidence
exhibits
what are the three file formats for pictures, ranked based on size
JPEG- smallest file, most common. Loss type
TIFF- medium file. Lossless
RAW- unique to each brand. highest quality and biggest file
what are the three camera settings that affect exposure
aperture- bigger opening of lens=more light
shutter speed- length of time the shutter stays open. longer=more light
ISO- brightens the photo after the sensor is exposed to light. Increasing= brighter and
grainier
F-stop
, the depth of field. brings background objects into focus. affected by distance of subject
to camer and the focal length of the lens
direct flash technique
pointed directly at the subject
feathered flash technique
held above the lens and pointed downwards
fill in flash technique
for sunny days. points flash at the shadow
bounce flash technique
softer lighting to reduce intensity- flash is held at 45* angle
oblique flash technique
most common, used for impressions. 90/45 angle
multiple flash technique
camera mounted on tripod. best for low/no light. longer exposure is needed`
steps of photographing a scene
outside the scene to establish location with identifiers (road signs). Inside the scene-
view of entrance, the path of entry, all perspectives and move to connected rooms.
Exhibit 4-photo sequence. follow up- taken back at the lab for further examination (e.g.,
pocket contents of a jacket)
what are the tree major points of qualification for photos to be admissible in
courts?
COMPLETE SOLUTIONS VERIFIED GRADED A++
what is the responsiblity of the crime scene examiner
recording, documnting, and searching the scene. Collecting, perserving, and submitting
exhibits. testifying, and working independently without tunnel vision
scene photos vs exhibit photos
scene photos are taken before processing to show everything as it is found. it paints a
picture and complements evidence photos by covering all perspectives
exhibit photos- taken of a series of 4 photos from general to specific of evidence
exhibits
what are the three file formats for pictures, ranked based on size
JPEG- smallest file, most common. Loss type
TIFF- medium file. Lossless
RAW- unique to each brand. highest quality and biggest file
what are the three camera settings that affect exposure
aperture- bigger opening of lens=more light
shutter speed- length of time the shutter stays open. longer=more light
ISO- brightens the photo after the sensor is exposed to light. Increasing= brighter and
grainier
F-stop
, the depth of field. brings background objects into focus. affected by distance of subject
to camer and the focal length of the lens
direct flash technique
pointed directly at the subject
feathered flash technique
held above the lens and pointed downwards
fill in flash technique
for sunny days. points flash at the shadow
bounce flash technique
softer lighting to reduce intensity- flash is held at 45* angle
oblique flash technique
most common, used for impressions. 90/45 angle
multiple flash technique
camera mounted on tripod. best for low/no light. longer exposure is needed`
steps of photographing a scene
outside the scene to establish location with identifiers (road signs). Inside the scene-
view of entrance, the path of entry, all perspectives and move to connected rooms.
Exhibit 4-photo sequence. follow up- taken back at the lab for further examination (e.g.,
pocket contents of a jacket)
what are the tree major points of qualification for photos to be admissible in
courts?
