ABFO No. 2 scale
The American Board of Forensic Odontology's L-shaped reference scale containing metric and imperial graduations, an 18% grey patch, and colour chart; the North American standard for close-up evidence photography.
The American Board of Forensic Odontology's L-shaped reference scale containing metric and imperial graduations, an 18% grey patch, and colour chart; the North American standard for close-up evidence photography.
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