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Machine-vision application studies with real camera captures, explorable 3D arrangements and the reasoning behind each lighting and optics choice.
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Featured study · Polarizer filmGive a featureless surface a pattern to reflect →
Start with the feature you need to see.
These are application-lab demonstrations from the makers of the components we sell. Each study identifies the tested parts, our proposed alternatives and what still needs to be validated on your part.
Applications using
Screw thread pitch with telecentric optics
Stabilize scale and edge contrast before judging a tolerance.
- Gezichtsveld19.34 × 16.21 mm
- Image2456 × 2058 px
Bent pins on connectors and boards
Separate real pin lean from perspective.
- Gezichtsveld50.46 × 37.85 mm
- Image2592 × 1944 px
Battery welds and tabs
Control what shiny metal reflects.
- VerlichtingFlat dome, 100 × 100 mm emitting
- Afmeting140 × 140 × 11.5 mm
PCB solder joints with an RGB AOI light
Use lighting angle to make solder shape visible.
- VerlichtingAOI, 160 mm outside, 45 mm aperture
- Hoogte55 mm
Apple bruises: NIR vs SWIR
Match the wavelength, sensor and optics as one system.
- NIR940 nm
- SWIR1550 nm
Contamination in blister packs
Reduce glare before searching for a dark speck.
- VerlichtingArch shadowless, 125 × 70 mm emitting
- Werkafstand5–50 mm (light spec)
Scratches on machined metal
Choose lighting direction before adding resolution.
- Test lightFour-sided adjustable bar light
- Housing (spec)230 × 230 × 37 mm
Polarizer-film defects in reflected stripes
Give a featureless surface a pattern to reflect.
- Light-to-part (as tested)100 mm
- Exposure (as tested)8,000 µs / 8 ms
Screen-film creases and local deformation
Inspect the change in reflection, not just the film colour.
- Test lightLS-2LFM100, white
- SignalLocal stripe deformation
Stamped-metal terminal contours
Use a silhouette when the requirement is shape.
- Test lightWhite thin-panel backlight
- Housing (spec)140 × 140 × 9.5 mm
A shaft silhouette with matched telecentric optics
Treat the lens, collimated light and fixture as one calibrated measurement system.
- Source field47.52 × 39.85 mm
- Source image2452 × 2056 px
Inspecting oval apertures with telecentric optics
Treat the lens, collimated light and fixture as one calibrated measurement system.
- Source field51.16 × 38.84 mm
- Source image1628 × 1236 px
A line-scan station for metal surface scratches
The lighting reveals the feature; synchronized material travel turns the line into a useful image.
- Proposed camera2048 pixels · mono
- ObjectiefinterfaceM42 × 1 · 12 mm flange
A line-scan station for textile surface defects
The lighting reveals the feature; synchronized material travel turns the line into a useful image.
- Proposed camera2048 pixels · mono
- ObjectiefinterfaceM42 × 1 · 12 mm flange
Ceramic-tile pattern visibility
Prove lighting uniformity before classifying a decorative pattern.
- Proposed light housing (spec)196 × 20.3 × 27 mm
- EvidenceReal lighting-lab captures
Even light across repeated PCB panels
A repeated feature needs repeatable illumination wherever it lands.
- Proposed light housing (spec)196 × 20.3 × 27 mm
- EvidenceReal lighting-lab captures
Black-painted metal under a flat dome
Make the reflected field consistent before calling a surface defect.
- Proposed light housing (spec)140 × 140 × 11.5 mm
- EvidenceReal lighting-lab captures
Chip pockets beneath reflective cover film
Treat cover-film glare as an optical problem before changing the algorithm.
- Proposed light housing (spec)140 × 140 × 11.5 mm
- EvidenceReal lighting-lab captures
Rubber-gasket defects under a multi-angle ring
Use multi-angle light to test visibility around the entire seal.
- Proposed light housing (spec)Ø225 × 64 mm
- EvidenceReal lighting-lab captures
Screw-head shape at two ring-light angles
Choose lighting angle for the feature that actually drives the decision.
- Proposed light housing (spec)Ø70 × 20.5 mm
- EvidenceReal lighting-lab captures
Bright PCB fiducial on a textured background
A visible fiducial becomes a positioning tool only after calibration and repeatability checks.
- Proposed light housing (spec)Ø50 × 17.5 mm
- EvidenceReal lighting-lab captures
Repeated connector contacts under coaxial light
Start with a clear image of the observable contact geometry.
- Proposed light housing (spec)74 × 50 × 50 mm
- EvidenceReal lighting-lab captures
Reflective tablet-shell edge under coaxial light
A clear contour still needs an unambiguous physical datum.
- Proposed light housing (spec)111 × 50 × 50 mm
- EvidenceReal lighting-lab captures
Dark residue on a bright glass field
Prove the difference between unacceptable residue and acceptable background.
- Proposed light housing (spec)105.5 × 46 × 47 mm
- EvidenceReal lighting-lab captures
Stamped metal features under diffuse ring light
Locate the part from features that survive normal manufacturing variation.
- Proposed light housing (spec)Ø90 × 28 mm
- EvidenceReal lighting-lab captures
Shaft-sleeve edges under two backlights
Translate light output into a measured exposure budget.
- Proposed light housing (spec)151 × 137 × 96.52 mm
- EvidenceReal lighting-lab captures
Screw outline with a collimated panel
Collimated lighting improves a silhouette; stable magnification is a separate lens decision.
- Proposed light housing (spec)64 × 64 × 19 mm
- EvidenceReal lighting-lab captures
Cylindrical battery-end wrap under a ring light
A useful packaging image supports a defined appearance decision.
- Proposed light housing (spec)Ø120 × 40 mm
- EvidenceReal lighting-lab captures
Glass inclusions under a directional spot backlight
A dark spot is an observed image feature until its physical cause is verified.
- Proposed light housing (spec)Ø58 × 150.5 mm
- EvidenceReal lighting-lab captures
Mobile cover-glass contour under coaxial light
Choose the viewing geometry around a clearly defined edge datum.
- Proposed light housing (spec)74 × 50 × 50 mm
- EvidenceReal lighting-lab captures
Foreign matter in a bottle bottom
Build the clean-bottle variation into the test before setting a dark-spot threshold.
- MethodTransmitted white backlight
- EvidenceReal application-lab capture
Gear teeth and bore contours
A clean silhouette supports edge finding; calibration makes those edges useful for gauging.
- MethodBlue transmitted backlight
- EvidenceReal application-lab capture
Contamination in small holes
Test the full bore depth before treating a bright hole as an unobstructed one.
- MethodBlue coaxial illumination
- EvidenceReal application-lab capture
Comb tooth and gap inspection
Choose sampling for the smallest gap that must remain open.
- MethodWhite parallel backlight
- EvidenceReal application-lab capture
Printed resistor track appearance
A visual pattern inspection complements an electrical test; it does not replace it.
- MethodTransmitted white backlight
- EvidenceReal application-lab capture
UV adhesive bead continuity on glass
Use fluorescence contrast to inspect the bead shape, then validate the bond by the required method.
- Method365 nm UV excitation
- EvidenceReal application-lab capture
UV bottle-cap code imaging
Prove the UV image first, then measure the reader performance.
- Method365 nm UV ring illumination
- EvidenceReal application-lab capture
UV adhesive on a loudspeaker
Inspect where the bead must be, not just how much of the image is bright.
- Method365 nm UV excitation
- EvidenceReal application-lab capture
UV adhesive presence on circuit boards
Identify what fluoresces before deciding what the bright regions mean.
- Method365 nm UV material contrast
- EvidenceReal application-lab capture
O-ring appearance with RGB angles
Use coloured angles to create a repeatable appearance signal, then validate the decision.
- MethodThree-angle RGB reflection
- EvidenceReal application-lab capture
Surface marks on optical lenses
Choose the light path for the defect class instead of treating every visible spot alike.
- MethodBlue coaxial reflected light
- EvidenceReal application-lab capture
Ceramic glaze appearance under polarized light
Stabilize glare and colour processing before assigning a surface threshold.
- MethodWhite polarized ring illumination
- EvidenceReal application-lab capture
Spring and hook assembly under dome lighting
Make the attachment visible, then validate the mechanical requirement independently.
- MethodDiffuse white dome
- EvidenceReal application-lab capture
Front and back features on slender metal parts
Base orientation on a repeatable feature, not on brightness alone.
- MethodWhite polarized illumination
- EvidenceReal application-lab capture
Metal positioning with short-exposure strobe lighting
A short exposure needs a verified light-and-trigger recipe before it becomes a motion-freezing claim.
- MethodStrobe coaxial white light
- EvidenceReal application-lab capture
Insole outline and cut shape
Control flexible-part shape before comparing the cut outline.
- MethodTransmitted white backlight
- EvidenceReal application-lab capture
Dot-printed date-code contrast
Keep dots separate in the image before evaluating a date reader.
- Light in sourceLS-2BS23738-RGBW · blue
- EvidenceReal application-lab image
Serial-code imaging on a dark cover
Make the mark repeatable in the image before measuring traceability performance.
- Light in sourceLS-2BS23738-RGBW · white
- EvidenceReal application-lab image
Bread-piece outline and orientation
A usable outline is the first step; prove the handling task on real product variation.
- Light in sourceLS-2BS28238-RGBW · red
- EvidenceReal application-lab image
Light-on-dark characters on paper
Match the reader to the actual print polarity before judging recognition performance.
- Light in sourceLS-2BS14738-RGBW · red
- EvidenceReal application-lab image
Two-dimensional codes on repeated labels
Choose how many labels fit the field from the smallest code module, not the sheet size.
- Light in sourceLS-2BS14738-RGBW · white
- EvidenceReal application-lab image
Repeated contacts on a keyboard mat
Use the visible contact pattern to test orientation; verify switch function independently.
- Light in sourceLS-2BD23738-RGBW · blue
- EvidenceReal application-lab image
Graduated scale character contrast
A clear scale image is not itself a calibrated measurement.
- Light in sourceLS-2BD14738-RGBW · white
- EvidenceReal application-lab image
Printed legends on moulded keypads
Choose the lighting direction for the printed stroke, not just the key outline.
- Light in sourceLS-ROS154 · white
- EvidenceReal application-lab image
Surface appearance on USB shells
Control the reflection before deciding which surface lines are defects.
- Light in sourceLS-ROS78 · white
- EvidenceReal application-lab image
Surface appearance across bracelet links
Use accepted finish variation to stop normal link reflections becoming defects.
- Light in sourceLS-ROS154 · white
- EvidenceReal application-lab image
Phone-frame contour positioning
Use stable geometry for position; validate the machine-coordinate result separately.
- Light in sourceLS-ROS154 · white
- EvidenceReal application-lab image
Colour appearance on a bottle cap
Control the colour recipe before turning a lighter patch into a reject decision.
- Light in sourceLS-FCS50 · white
- EvidenceReal application-lab image
Powder appearance around capsule pockets
Inspect the pocket surroundings, and validate any leak conclusion by the required method.
- Light in sourceLS-FCS100 · white
- EvidenceReal application-lab image
LED-panel and substrate appearance
Use the pattern for appearance checks and verify device function independently.
- Light in sourceLS-FCS100 · white
- EvidenceReal application-lab image
Wafer edge and flat-segment positioning
Use the visible edge geometry, then prove the coordinate accuracy on the actual wafer.
- Light in sourceLS-FCS150 · white
- EvidenceReal application-lab image
Flexible-circuit shape positioning
Fixture the flex before trusting its projected position.
- Light in sourceLS-FCS200 · blue
- EvidenceReal application-lab image
Reflective mirror-surface appearance
Prove a local defect signal before interpreting a reflected brightness pattern.
- Light in sourceLS-FCS150 · white
- EvidenceReal application-lab image
Resin appearance on a leaded component
First identify the material regions, then validate the appearance rule.
- Light in sourceLS-FRS88 · white
- EvidenceReal application-lab image
Wire-colour appearance at PCB joints
Use colour to inspect the visible assignment and test the electrical connection separately.
- Light in sourceLS-FRS150 · white
- EvidenceReal application-lab image
Outer-rim damage on a plastic loop
Agree which rim changes are unacceptable before assigning an edge threshold.
- Light in sourceLS-FRS150 · white
- EvidenceReal application-lab image
Carton outlines under rectangular shadowless light
Locate the package from a defined contour rather than its printed graphics.
- Proposed light housing (spec)200 × 116 × 42 mm
- EvidenceReal application-lab captures
Metal insert outlines in a dark carrier
A clear metal outline is the start of a measurement trial, not its accuracy result.
- Proposed light housing (spec)96 × 96 × 30 mm
- EvidenceReal application-lab captures
Phone-shell scratches under precision coaxial light
Control the reflected field before setting a scratch threshold.
- Proposed light housing (spec)41 × 30 × 24 mm
- EvidenceReal application-lab captures
Scratch contrast on a machined cylinder
A curved surface needs a tested angular coverage plan.
- Proposed light housing (spec)440 × 50 × 117.13 mm
- EvidenceReal application-lab captures
Three line-light trials on display glass
Choose a lighting direction on your screen before comparing light output.
- Proposed light housing (spec)220 × 53 × 121.5 mm
- EvidenceReal application-lab captures
Metal-surface contrast with a high-power strobe ring
Turn extra light into a verified exposure budget, not an assumed speed claim.
- Proposed light housing (spec)Ø74 × 20 mm
- EvidenceReal application-lab captures
Grid spacing on a glass cover plate
Clear stripes support measurement only after the edge rule and scale are proven.
- Proposed light housing (spec)74 × 50 × 50 mm
- EvidenceReal application-lab captures
Indentation marks on aluminium film
Make a surface change visible before deciding whether it exceeds the specification.
- Proposed light housing (spec)340 × 48 × 75 mm
- EvidenceReal application-lab captures
Label creases under an oblique line light
Choose a light angle that separates a crease from normal label features.
- Proposed light housing (spec)340 × 48 × 75 mm
- EvidenceReal application-lab captures
Fastener loops beneath fabric in infrared
Choose wavelength from the actual textile and hardware combination.
- Proposed light housing (spec)114 × 114 × 17 mm
- EvidenceReal application-lab captures
Photovoltaic reference marks at1300 nm
Choose the spectral band for the mark you need to locate.
- Proposed light housing (spec)162 × 22 × 36 mm
- EvidenceReal application-lab captures
Repeated wafer features in SWIR
Validate the sample material before generalizing a spectral result.
- Proposed light housing (spec)117 × 117 × 23 mm
- EvidenceReal application-lab captures
Chip circuit detail at1300 nm
Revealing structure is a prerequisite, not a hidden-defect result.
- Proposed light housing (spec)117 × 117 × 23 mm
- EvidenceReal application-lab captures
Round-part diameter silhouette
A reported accuracy needs a reproducible measurement method.
- Proposed light housing (spec)Ø42 × 105 mm
- EvidenceReal application-lab captures
Engraved characters on a metal watch rim
Character visibility must be followed by a measured reading trial.
- Proposed light housing (spec)74 × 50 × 50 mm
- EvidenceReal application-lab captures
Visible features in a vial under end illumination
Separate a bright-feature image from a verified particle decision.
- Proposed light housing (spec)Ø24 × 62 mm
- EvidenceReal application-lab captures
Crack appearance on a fastener head
Keep the head face visible, then distinguish damage from normal head features.
- Light in sourceLS-HFS5050 · white
- EvidenceReal application-lab image
Spring-window appearance in a clutch plate
Use the spring-window pattern for appearance and prove mechanical function separately.
- Light in sourceLS-HFS150100 · white
- EvidenceReal application-lab image
Punched holes and notches in film
Choose sampling for the smallest cut-out, then control the film plane.
- Light in sourceLS-HFS200150 · white
- EvidenceReal application-lab image
Narrow-gap appearance between plier jaws
Prove the narrow light path before claiming a gap measurement.
- Light in sourceLS-2FS100100 · blue
- EvidenceReal application-lab image
Reflective fuse-terminal appearance
Use diffuse light for terminal appearance and test electrical performance separately.
- Light in sourceLS-DS175 · white
- EvidenceReal application-lab image
Appearance inside a recessed centre
Build the clean-recess reference before assigning bright regions to contamination.
- Light in sourceLS-DS116 · white
- EvidenceReal application-lab image
Visible insert regions in a moulded carrier
Verify what each visible region represents before using it as an assembly rule.
- Light in sourceLS-DS260 · white
- EvidenceReal application-lab image
Interlocking zipper-tooth appearance
Inspect the tooth pattern against real fabric variation before testing a defect rule.
- Light in sourceLS-FLS116 · white
- EvidenceReal application-lab image
Cutting-bit end-face appearance
Prove the local end-face signal before assigning a wear or damage threshold.
- Light in sourceLS-FLS74 · blue
- EvidenceReal application-lab image
Four-zone imaging of recessed circular features
Preserve directional evidence before choosing how to combine it.
- Proposed light housing (spec)Ø91 × 25.5 mm
- EvidenceReal application-lab captures
Fruit colour under two source lighting conditions
A colour threshold needs controlled capture and a defined reference.
- Proposed light housing (spec)162 × 36 × 26 mm
- EvidenceReal application-lab captures
Material swatches under two lighting conditions
Compare the material against a controlled reference, not a changing capture setup.
- Proposed light housing (spec)162 × 36 × 26 mm
- EvidenceReal application-lab captures
Pin-tip location with selective illumination
Select a useful tip signal before asking software to locate it.
- Proposed light housing (spec)120 × 150 × 26 mm
- EvidenceReal application-lab captures
Printed PCB reference markings under diffuse ring light
A readable-looking mark needs a measured character-verification trial.
- Proposed light housing (spec)Ø91 × 25.5 mm
- EvidenceReal application-lab captures
Metal-column edges under two backlights
Choose the backlight for edge stability rather than brightness alone.
- Proposed light housing (spec)84 × 84 × 19 mm
- EvidenceReal application-lab captures
Barcode contrast under coaxial line lights
Preserve the barcode structure before claiming a short-exposure reading result.
- Source exposure35 µs on all four captures
- Proposed acquired line2048 pixels
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