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ABFO No. 2 Scale

ABFO#2 with Photo Gray Shade 5 x 5cm Corner Square

Your Price $4.25
ABFO#2 with Photo Gray Shade 5 x 5cm Corner Square

The ABFO No. 2 Scale was designed by the American Board of Forensic Odontology and is used throughout the country when photographing bite marks on a victim's body. The three cross-hair circles are useful in helping to compensate for distortion resulting from oblique camera angles. The graduations are all metric, except for the width of the legs, which are 1" wide. The 1 cm division lines are traced and extended across the photographic print to grid an image. Measurements within the image are then made relative to these inscribed 1 cm grid lines to compensate for any distortion resulting from non-parallelism between the film and the object planes.

The ABFO#2 is the first forensic corner square we made using suggestions from detectives in law enforcement. Though we have designed tons of new corner squares over the years, this golden-oldie is still a favorite to forensic investigators.

The graphics on the ABFO#2 read 5cm x 5cm and graduation tics extend out to 8cm on each leg. The gray shade featured on this product is 18% Photo Gray, which is a color balancing tone used in photography. Each of these corner squares is made standard of .03" thick plastic, but customizations are both welcome and encouraged.

A special feature this corner square shares with many of our products, is our unique Optirectilinear® graphics, which are the black and white rectangles
seen on the product image on this page. These graphics extend the visible range of increments and help clarify readings taken from photographs.

ABFO No. 2 Specifications:

• Rigid, L-shaped piece of laminated plastic 1 mm thick
• Millimeter markings accurate to 0.1 mm or better
• Overall size is 105 mm x 105 mm (about 4" x 4")
• Gray areas have a reflectance value of approximately 18%
• Alternating black and white bars (1 cm) to permit measurements from grossly over- and   underexposed photographs.

Any questions call 714-979-1405 or email us at Sales@HittMarking.com
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