9/16/25, 5:04 PM IAI Certification exam QUESTIONS AND VERIFIED SOLUTIONS |2025 EXAM | ELABORATED &DETAILED ANSWERS!! Flashcar…
IAI Certification exam QUESTIONS AND VERIFIED
SOLUTIONS |2025 EXAM | ELABORATED
&DETAILED ANSWERS!!
Save
Terms in this set (505)
Item of evidence is life-size on sensor; appropriate for
1:1 magnification Ratio
photographing latent print.
Tendency towards over/under exposing with a long
Reciprocity Failure
shutter speed in a film, appears as dark noise.
Distance in "mm", optical Focal Length
center of a Lense and
sensor when a camera is
focused on infinity.
Resolution, edge sharpness and clarity of an image.
Diffraction (loss of...)
Light bends when the edge is struck.
Wide angle lens focal Shorter than 50mm
length 35mm= fisheye
Image formed by a lens is blurred or distorted
Aberrations
generally at the widest aperture.
Distance in "nm" optical center of a lens and sensor
Focal Length
when camera focused on infinity.
Compresses the distance between the foreground
Telephoto Lens
and the background.
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,9/16/25, 5:04 PM IAI Certification exam QUESTIONS AND VERIFIED SOLUTIONS |2025 EXAM | ELABORATED &DETAILED ANSWERS!! Flashcar…
Opening/ close to control the amount of light striking
What is the "Shutter"
the camera lens.
SWGIT Scientific Working Group on Imaging Technology
Scientific Working Group on Friction Ridge Analysis,
SWGFAST
Study and Technology
F/8
ISO 100
1/125 SS
or
Overcast ( no shadows)
Day
F/11
ISO 100
1/60 SS
is better due to DOF
Sensors relative Sensitivity to light
ISO 100 - Sensitive to light
What is "ISO"
ISO 3200 - Requires less light.
Larger ISO - grainier and noise
Shutter Speed
4 Variables that directly Apertures
affect Exposure ISO
Ambient Lighting
DOF extends 1/3 in front of the point of exact focus
Rule of Thirds
and 2/3 behind the point of exact focus
Ability of a molecule to emit light from a cause other
Luminescence
than heat. Phosphorescence and Fluorescence
Reflected Ultraviolet Imaging System, uses short wave
RUVIS
ultraviolet light to visualize untreated fingerprints
Blood will absorb UV light, making it contrast with
Absorbed ultraviolet light
surfaces similar in color to blood.
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Fluorescent Ultraviolet helps visualize fibers
light
Powders, chemicals, non-blood body fluids, fibers
Visible light fluorescence
and drug residue
Shutter speed at which cameras should be set when
an electronic flash is used
Each camera has one particular shutter speed that is
Sync Speed
designed as its sync speed
Avoid fast shutter speeds, shutter closes when flash is
on
Also known as vibration reduction lens elements or
sensors can move gyroscopically when movement is
Image Stabilization
detected, allows use of shutter speed 2 stops slower
than normal
Infinity is in the background
Hyperfocal Focus
maximizes DOF
What lens doesn't cause 50 mm Lens
distortion
Photographing Proper exposure is frequently -2 ( two stops less)
Fluorescent evidence
Photographing F/11
Fluorescence in visible ISO 100
light range aperture priority
Photographing an object
measuring the image of the object on the processed
Photogrammetry refers to: photograph
reducing the measurements to some form such as a
topographic map or scale crime scene diagram
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, 9/16/25, 5:04 PM IAI Certification exam QUESTIONS AND VERIFIED SOLUTIONS |2025 EXAM | ELABORATED &DETAILED ANSWERS!! Flashcar…
F/Stop (Apature) ISO
\ flash/ambient light /
Proper Exposure Triangle
\/
Shutter Speed
Refers to aperture, represents fraction of focal length
of lens over diameter of diaphragm.
F/Stop
*** like gauged wire big number = small and vice versa
Corrects "cropped" field of view in camera where
Focal Length multiplier sensor is smaller than the original film negatives for
that size
Sunny day with hard shadows selects F/16 and shutter
speed faster than your ISO
Sunny Day Rule F/16
Beware of Diffraction- light bending when it strikes
the edge, issue with small apature
Photographer determines shutter speed, camera
Shutter Priority Exposure
provides appropriate aperture.
Distance from optical center of lens to camera sensor
Focal Length
plan when camera is focused on infinity
1. Aberrations- different colors refract differently
3 problems with camera
2. Diffraction-bending of lights, loss of resolution
lenses
3. Distortion- the photo doesn't look as it seems
ISO
Shutter Speed
Aperture
7 camera variables for
Flash Mode
taking photographs
Focal Length
Focus
Camera alignment
https://quizlet.com/1077356095/iai-certification-exam-questions-and-verified-solutions-2025-exam-elaborated-detailed-answers-flash-cards/?new 4/55
IAI Certification exam QUESTIONS AND VERIFIED
SOLUTIONS |2025 EXAM | ELABORATED
&DETAILED ANSWERS!!
Save
Terms in this set (505)
Item of evidence is life-size on sensor; appropriate for
1:1 magnification Ratio
photographing latent print.
Tendency towards over/under exposing with a long
Reciprocity Failure
shutter speed in a film, appears as dark noise.
Distance in "mm", optical Focal Length
center of a Lense and
sensor when a camera is
focused on infinity.
Resolution, edge sharpness and clarity of an image.
Diffraction (loss of...)
Light bends when the edge is struck.
Wide angle lens focal Shorter than 50mm
length 35mm= fisheye
Image formed by a lens is blurred or distorted
Aberrations
generally at the widest aperture.
Distance in "nm" optical center of a lens and sensor
Focal Length
when camera focused on infinity.
Compresses the distance between the foreground
Telephoto Lens
and the background.
https://quizlet.com/1077356095/iai-certification-exam-questions-and-verified-solutions-2025-exam-elaborated-detailed-answers-flash-cards/?new 1/55
,9/16/25, 5:04 PM IAI Certification exam QUESTIONS AND VERIFIED SOLUTIONS |2025 EXAM | ELABORATED &DETAILED ANSWERS!! Flashcar…
Opening/ close to control the amount of light striking
What is the "Shutter"
the camera lens.
SWGIT Scientific Working Group on Imaging Technology
Scientific Working Group on Friction Ridge Analysis,
SWGFAST
Study and Technology
F/8
ISO 100
1/125 SS
or
Overcast ( no shadows)
Day
F/11
ISO 100
1/60 SS
is better due to DOF
Sensors relative Sensitivity to light
ISO 100 - Sensitive to light
What is "ISO"
ISO 3200 - Requires less light.
Larger ISO - grainier and noise
Shutter Speed
4 Variables that directly Apertures
affect Exposure ISO
Ambient Lighting
DOF extends 1/3 in front of the point of exact focus
Rule of Thirds
and 2/3 behind the point of exact focus
Ability of a molecule to emit light from a cause other
Luminescence
than heat. Phosphorescence and Fluorescence
Reflected Ultraviolet Imaging System, uses short wave
RUVIS
ultraviolet light to visualize untreated fingerprints
Blood will absorb UV light, making it contrast with
Absorbed ultraviolet light
surfaces similar in color to blood.
https://quizlet.com/1077356095/iai-certification-exam-questions-and-verified-solutions-2025-exam-elaborated-detailed-answers-flash-cards/?new 2/55
,9/16/25, 5:04 PM IAI Certification exam QUESTIONS AND VERIFIED SOLUTIONS |2025 EXAM | ELABORATED &DETAILED ANSWERS!! Flashcar…
Fluorescent Ultraviolet helps visualize fibers
light
Powders, chemicals, non-blood body fluids, fibers
Visible light fluorescence
and drug residue
Shutter speed at which cameras should be set when
an electronic flash is used
Each camera has one particular shutter speed that is
Sync Speed
designed as its sync speed
Avoid fast shutter speeds, shutter closes when flash is
on
Also known as vibration reduction lens elements or
sensors can move gyroscopically when movement is
Image Stabilization
detected, allows use of shutter speed 2 stops slower
than normal
Infinity is in the background
Hyperfocal Focus
maximizes DOF
What lens doesn't cause 50 mm Lens
distortion
Photographing Proper exposure is frequently -2 ( two stops less)
Fluorescent evidence
Photographing F/11
Fluorescence in visible ISO 100
light range aperture priority
Photographing an object
measuring the image of the object on the processed
Photogrammetry refers to: photograph
reducing the measurements to some form such as a
topographic map or scale crime scene diagram
https://quizlet.com/1077356095/iai-certification-exam-questions-and-verified-solutions-2025-exam-elaborated-detailed-answers-flash-cards/?new 3/55
, 9/16/25, 5:04 PM IAI Certification exam QUESTIONS AND VERIFIED SOLUTIONS |2025 EXAM | ELABORATED &DETAILED ANSWERS!! Flashcar…
F/Stop (Apature) ISO
\ flash/ambient light /
Proper Exposure Triangle
\/
Shutter Speed
Refers to aperture, represents fraction of focal length
of lens over diameter of diaphragm.
F/Stop
*** like gauged wire big number = small and vice versa
Corrects "cropped" field of view in camera where
Focal Length multiplier sensor is smaller than the original film negatives for
that size
Sunny day with hard shadows selects F/16 and shutter
speed faster than your ISO
Sunny Day Rule F/16
Beware of Diffraction- light bending when it strikes
the edge, issue with small apature
Photographer determines shutter speed, camera
Shutter Priority Exposure
provides appropriate aperture.
Distance from optical center of lens to camera sensor
Focal Length
plan when camera is focused on infinity
1. Aberrations- different colors refract differently
3 problems with camera
2. Diffraction-bending of lights, loss of resolution
lenses
3. Distortion- the photo doesn't look as it seems
ISO
Shutter Speed
Aperture
7 camera variables for
Flash Mode
taking photographs
Focal Length
Focus
Camera alignment
https://quizlet.com/1077356095/iai-certification-exam-questions-and-verified-solutions-2025-exam-elaborated-detailed-answers-flash-cards/?new 4/55
