scope:

The authoritative reference for visual inspection. Emphasis on practicality, with information for Level II and Level III inspectors. Applications including metals, welding, chemical, petroleum, electric power, aerospace. Scores of illustrations of anomalies. Diverse information in one place. Updated standards. Digital photography and video. Image processing. New and authoritative discussion on vision acuity. Metric units throughout. Updated references provided for published standards.

New information on:

physics of light

photometry

vision acuity exams

proper use of eye charts

digital photography

image processing

machine vision

magnifiers

illumination

surface roughness

calipers and gages

analog and digital video

video connectors

video probe

measuring with borescopes

metal discontinuities at different stages of processing and service life

direct versus indirect techniques