Balluff MATRIX VISION mvBlueGEMINI Technical Manual page 41

11.3.2.1 Direction of the light
Figure 7 Direction of the light
siegen.de/fertigungsautomatisierung/index.php/Beleuchtungstechniken_f%C3%BCr_die_industriell
According to the direction, there are different possible uses:
Direction Angle
Background Bright
lighting field
Dark
field
Incident Bright
lighting field
Source: https://wiki.zimt.uni-
e_Bildverarbeitung
Applications
•
transparent and opaque as well as
flat or spatial parts
•
often in combination with diffuse
or telecentric lighting
•
suitable for testing bore holes
•
Preferred lighting system for
presence monitoring (binary
image)
•
Transparent test objects like glass
or plastics
•
Very small distance between test
objects and lens possible
•
suitable for transparent and
opaque parts (glass, metal,
plastics)
mvBlueGEMINI Technical Manual (EN)
Specialty
•
uniformly bright, high-
contrast image
•
almost binary attributes
•
surface characteristics as
light details on a dark
background
•
uniformly bright, well-
contrasted image
v2.6
40
APPENDIX