Oblique Flash
Definition
Off-camera flash held at a low angle (typically 15 to 30 degrees) to the surface plane. Used to highlight impressed evidence (tool marks, footwear, dust prints, bloodstain patterns) by exaggerating shadow on the relief.
Related terms
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- BSA 2023 Section 63
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- Photogrammetry
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- Photographic Triad
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- Photographic Triad Shot Count
- Minimum examiners-favoured rule: three shots per item of evidence (overall, mid-range, close-up with scale) plus one close-up without scale. The without-scale frame...
- RAW Capture
- Lossless sensor-data file format (Nikon NEF, Canon CR2/CR3, Sony ARW). Preserves the unprocessed image for evidentiary integrity, allows non-destructive white-balance and exposure...
Explained in
- Forensic Photography: Types and ApplicationsOff-camera flash held at a low angle (typically 15 to 30 degrees) to the surface plane. Used to highlight impressed evidence (tool marks, footwear, dust prints...