Sep 28, 2026 | Articles, News, Products
Why Surface Roughness is Shifting from Ra to Sa Click to Read Now! As optical manufacturing and precision engineering continue to advance, traditional 2D surface roughness metrics like Ra are no longer sufficient for fully characterizing complex surfaces. This article...
Jan 12, 2026 | Articles, News, Products
In this interview conducted by AZO Optics, Jenna Perryman, Product Manager for the 4Di InSpec product line, discusses how vibration-immune optical metrology is transforming on-site surface defect and roughness measurement. She explains how the technology enables...
Nov 12, 2025 | Articles, News, Products, Uncategorized
Achieve precise, high-resolution measurement of defects, surface features, and roughness—right where you work DOWNLOAD WHITE PAPER: Optical 3D Defect and Roughness Inspection - Right on the Shop Floor 4D Technology’s handheld optical gauges are engineered to be...