Machine Vision Knowledge Base
Knowledge
Fiber End-Face Inspection Lighting: White vs Yellow
White, yellow or blue for a fiber end face? Compare contrast, diffraction limit and axial color by defect type, plus coaxial and dark-field tables.
Motorized Zoom Lens Repeatability: 10-Cycle Test Method
Verify motorized zoom lens repeatability and magnification consistency with a bench setup, N≥10 round-trip cycles, R/sigma statistics and pass-fail thresholds.
Coaxial Illumination for Reflective Metal: 3 Types, 7 Steps
Mirror, brushed and coated metal return light differently. Compare coaxial vs dome vs bar lights, suppress hotspots, and align camera, lens and light.
Telecentric Lens FOV, WD & Magnification Formula (1x-2x)
Calculate telecentric lens magnification, FOV, working distance and resolution from sensor size. Formulas, worked examples and a measurement error budget.
1.1-inch Camera and Telecentric Lens Matching Guide
How to match a 1.1-inch (Φ18.4 mm) camera to a telecentric lens: image-circle check, C/F-mount back focus, magnification–FOV math, corner shading test.
Built-in Coaxial Telecentric Lens Selection Guide 0.3X–2.0X
Choose a telecentric lens with built-in coaxial illumination: 0.3X–2.0X model matrix, FOV and DOF formulas, and how to check pixel matching.
FPC Ribbon 10 µm Defect Inspection Solution | POMEAS
Single-field coverage of a 5.5 mm FPC ribbon with credible 10 µm defect sampling: POMEAS telecentric lens, camera and lighting selection guide.
Inline vs Offline Optical Measurement: How to Choose
Inline or offline optical measurement? Compare cycle time, accuracy, repeatability and automation to choose the right inspection system.
How to Improve Depth of Field in Industrial Zoom Lenses | POMEAS
Learn how aperture, magnification, TV adapters and auxiliary lenses affect depth of field in industrial zoom lenses, with a real customer imaging case.
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