Table of Contents
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Section
2-7
CCTV Lens
Reflected Lighting
Ring Lights
Light is shone uniformly on the measurement object.
Applications: Surface inspections
Camera
Light source
Measurement object
Oblique Lighting
Detection can be made utilizing the difference in regular and dif-
fuse reflected light.
Applications: Inspections for surface gloss
Camera
Light source
Measurement object
21
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