Advanced Techniques & Methods Flashcards
7 cards from real CFP practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Advanced Techniques & Methods flashcards as text
When photographing bloodstain patterns at a crime scene, which technique best preserves the spatial relationships between individual stains?
Answer: Aerial overview combined with measured grid reference markers
Aerial overview shots combined with a measured grid reference system preserve spatial relationships and allow accurate reconstruction of bloodstain pattern distribution.
A forensic photographer encounters a shiny metallic evidence item that reflects glare. The most effective technique to reduce specular reflection is:
Answer: Use a polarizing filter and position the light at a low angle
A circular polarizing filter, combined with oblique lighting, reduces specular reflection off metallic surfaces without altering the evidence's apparent color.
Which shutter speed technique is most appropriate when photographing a crime scene with flickering fluorescent lighting to avoid banding artifacts?
Answer: 1/30s or 1/60s synchronized to the AC cycle frequency
Shutter speeds of 1/30s or 1/60s synchronize with the 60 Hz AC power cycle, eliminating the banding effect caused by fluorescent light flicker.
When documenting tire track impressions in soft soil, which photographic sequence is considered best practice?
Answer: Establish overall scene, then mid-range with scale, then close-up with scale
The standard forensic photography sequence progresses from establishing shots to mid-range shots with a scale, and finally to close-up shots with oblique lighting and scale.
Alternate Light Source (ALS) photography is best used at a crime scene to:
Answer: Reveal latent biological evidence such as semen or saliva fluorescing under specific wavelengths
ALS causes biological fluids like semen and saliva to fluoresce at specific wavelengths, making latent evidence visible that would be missed under normal lighting.
In forensic photography, 'examination quality' images differ from 'court quality' images primarily because examination images:
Answer: Prioritize revealing detail for analysis over aesthetic presentation
Examination quality images use specialized lighting and technique to reveal latent details for forensic analysis, while court quality images emphasize accuracy and context for jury presentation.
When photographing a victim's injuries for forensic documentation, the photographer should ensure that the first photograph in the sequence:
Answer: Is an establishing shot showing the victim's full body or identifying context
The first photograph must be an establishing shot to provide context showing the location of injuries on the body before moving to detailed close-ups.