Machine Vision Knowledge Base: Lens Selection and Application Guides
Knowledge
Changing Machine Vision Lighting: Geometry, Wavelength and Uniformity to Verify | POMEAS
What to check before substituting machine vision illumination: lighting geometry, wavelength, uniformity, size against field, and the control interface. A verification checklist, not a cross-reference.
Replacing a Flash Measurement or VMM Station: What to Verify First | POMEAS
A verification checklist before changing a one-press image measuring machine or a conventional VMM: feature type, field size, tolerance against pixel pitch, height capability, throughput and SPC output.
Swapping a Measurement Microscope: 6 Things to Verify Before You Change the Optical Path | POMEAS
What to check before replacing an inspection microscope on a measurement station: whether the output is an image or a dimension, magnification range, working distance, depth of field, illumination path and camera interface.
Replacing a C-Mount Lens on an Existing Vision Cell: 6 Specs to Verify | POMEAS
A parameter checklist for substituting a C-mount industrial lens on an existing inspection station: sensor coverage, resolution class, focal length, working distance, distortion and mount. No compatibility claims.
Inline Dimensional Measurement: Gauge, Confocal or Vision?
Choose inline diameter gauging, chromatic confocal sensing or machine vision by the dimension, speed and uncertainty. Includes LM-1030 sampling examples and limits.
Industrial Microscope vs Zoom Microscope System: How to Choose | POMEAS
A conventional industrial microscope, a motorised zoom microscope, a laser autofocus system and an extended-depth-of-field system solve different problems. A selection guide based on what each optical path does that the others cannot.
Telecentric Lens for PCB & FPC Inspection: Error Budget | POMEAS
How to specify telecentric optics for PCB and FPC inspection: distinguish perspective, focus, lighting and 3D AOI; calculate FOV and validate error on real parts.
One-Click Image Measurement System vs VMM Guide | POMEAS
Compare one-press vision measurement and a moving-stage VMM by true single-frame FOV, stage travel, stitched accuracy, height capability and throughput.
How to Select a C-Mount Lens for an Industrial Camera: 3 Numbers to Fix First | POMEAS
Picking a C-mount lens starts with three numbers already fixed by the camera: sensor size, pixel pitch, and working distance. A selection method with the focal length formula and a measured POMEAS FA lens matrix from 2/3-inch to 4/3-inch and 1.1-inch.
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