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Visual inspection - Coggle Diagram
Visual inspection
Optical aids
industrial telescopes
desirable properties
Large field of vision.
Freedom from distortion of image.
Accurate preservation of colour values.
Adequacy of illumination.
boreoscopes
Flexible borescopes
fibre optics or fibre bundles
fibre light guide
endoscopes
intrascopes
Type of viewing head
Standard viewing objectives
right angle (90°)
foroblique (45°)
retrospective (110°)
direct (0°)
Video scopes
CCD camera
TV cameras