Omron F160-2 Setup Manual page 42

Lighting
Applications: Inspection of exterior shape or positioning inspection
Measurement object
Reflected Lighting
Ring Lights
Light is shone uniformly on the measurement object.
Applications: Surface inspections
Measurement object
Oblique Lighting
Detection can be made utilizing the difference in regular and diffuse reflected
light.
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Camera
Light source
Camera
Light source
Section 3-2
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