Jan 14, 2019 | How-To, News
Measuring Curved and Round Surfaces with the 4D InSpec APPLICATION NOTE: 4D InSpec depends on diffuse reflected light to image the surface. In ordinary use, the light source and imaging system are angled to brightly illuminate the surface, producing a strong diffuse...
Jan 3, 2019 | News, Products
The New On-Axis Dynamic AccuFiz Fizeau When 4D Technology’s AccuFiz interferometers’ patented dynamic mode was introduced, their spatial-phase-shifting technique provided an amazing capability. The stability requirements (sensitivity to vibration) for a measurement...
