Input Parameters
Camera / Sensor
Most lens datasheets list a "Supported Sensor Format" or Image Circle. Selecting a format auto-fills a reference value; final lens selection should still follow the manufacturer's official specs.
Lens / Mounting Conditions
The thin-lens model assumes WD is the theoretical distance from the lens's principal plane to the object; the value measured from the physical lens front on-site may differ.
For telecentric lenses and fixed-magnification macro lenses, use the manufacturer's stated magnification first.
Inspection Requirements
Advanced Settings
Depth of field and diffraction are rough estimates only; final selection should still be verified with the lens datasheet and real-world testing.
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Field of View
Horizontal W—
Vertical H—
Diagonal D—
Sensor / Lens Compatibility
Sensor Size—
Sensor Diagonal—
Image Circle—
CompatibilityNot entered
Pixel Resolution
Object-side Resolution—
mm / pixel—
pixel / mm—
Magnification / Focal Length Suggestion
Magnification—
Theoretical Focal Length—
Suggested Standard Focal Length—
🔍 AOI Detection Capability
—
Waiting for input
2 px represents only the theoretical minimum sampling; general appearance inspection typically needs 3–5 px, while low-contrast scratches, dimensional measurement, or fine-text recognition usually require higher coverage.
Product Coverage & Safety Margin
Required FOV—
Current Coverage Margin—
In forward mode, enter product requirements to evaluate coverage
Depth of Field / Diffraction Notes
Working Aperture—
Theoretical Depth of Field—
Airy Disk Diameter—
Depth of field uses a simplified approximation; actual results are affected by lens design, MTF, focus, wavelength, and algorithm tolerance.
Optical Path Diagram
WD
FOV
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