This series of targets employs contrast of a
white center with a black background for
the optical locating mechanism. Currently
available on a durable plastic facestock with a removable pressure-sensitive adhesive backing.
Excellent for work at ambient temperature work.
The first two digits of the target number indicate the size of the background (2F XX--) in
millimeters; the second two digits indicate the
size of the center (2F --XX) in millimeters. A
2F 1005 has a 10 mm background (OD) and a 5 mm center (ID). The "T" denotes a target with a
0.015" dia. locating dot in the center of the
white area.