Anodic coating
Anodizing
Electrodeposition
Optical measurement
Visual inspection (testing)
Flat (shape)
Aluminium alloys
Protective coatings
Electrochemical coating
Image distortion
Optical properties of materials
Aluminium
Coatings
Link: BS EN ISO 10215:2018 Anodizing of aluminium and its alloys. Visual determination of image clarity of anodic oxidation coatings. Chart scale method
Source: BSI Standards