Machine-vision calibration and optical-test products
Public product directions are shown by family with images, features, applications, and materials that can be discussed; project specifications are confirmed with the equipment, drawing, and operating conditions.
Official stores
Buy or verify products through Ruihua official stores
Use the official stores for standard items and source verification. Custom dimensions, accuracy, material, and lead time are still confirmed by Ruihua engineers.
9 families and 18 public product directions. Narrow by family first, then confirm the plan by pattern, material, and operating conditions.
Product images come from the company brochure and company-provided material and are used to identify product directions; the pattern, material, profile, and delivery requirements are finalized in technical confirmation.
Procurement comparison
Confirm the use first, then prepare the quote inputs
The summary below helps you quickly decide which family to start from. It is a selection entry and does not replace the drawing, equipment conditions, and final technical confirmation.
Product familySuited procurement goalProvide firstSubstrates to discuss
Open a page for a specific device, test standard, or custom task to review the use case, enquiry inputs, selection path, and FAQs before confirming the product direction.
Standard planar patterns for camera intrinsic/extrinsic calibration, lens distortion correction, and pixel-coordinate calibration.
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Checkerboard calibration target
Uniform black-and-white squares establish the relationship between image pixels and spatial coordinates, used for camera calibration and imaging-deviation correction.
Pattern & selection points
Regular square layout
Clear black-and-white contrast
Fits common machine-vision calibration workflows
Scenarios to discuss
Camera intrinsic/extrinsic calibration
Lens distortion correction
Robot positioning and industrial inspection
Materials to discuss
Optical glass / Ceramic / Aluminum substrate / Film
Specs to confirm
Square count, cell size, and effective area are confirmed per the algorithm and field of view
Dimensions, accuracy, and delivery parameters are subject to the technical confirmation sheet
Non-planar calibration patterns custom-made for curved, cylindrical, and special workstations, confirmed by the equipment field of view, pose, and mounting space.
Pattern & selection points
Supports curved, cylindrical, and non-planar profiles
Pattern unfolds to fit the profile
Profile, pattern, and mounting customizable to drawing
Scenarios to discuss
Curved-equipment and special-station calibration
Cylindrical and rotational-body vision calibration
Non-standard-structure 3D-vision setup
Materials to discuss
Optical glass / Ceramic / Custom structural parts
Specs to confirm
Profile, curvature, pattern, and mounting space confirmed per project conditions
Dimensions, accuracy, and delivery parameters are subject to the technical confirmation sheet
A coded-pattern calibration target for large-field machine vision, 3D scanning, and dedicated measurement stations, customizable with a support structure and on-site space.
Pattern & selection points
Large-field coded pattern for multi-angle recognition
Substrate and mounting structure confirmed per conditions
Pattern, effective area, and stand plan support custom to drawing
Scenarios to discuss
Large-workpiece 3D scanning
Multi-camera joint calibration
Large-station and dedicated vision-system calibration
Materials to discuss
Substrate confirmed per project / Custom support structure
Specs to confirm
Pattern coding, effective area, mounting pose, and working distance confirmed with the equipment field of view and algorithm requirements
Substrate material, dimensions, accuracy, and support structure are subject to the technical confirmation sheet
Scales and combined patterns provide a dimensional and coordinate correction reference for profile projectors, video measuring machines, and machine-vision equipment.
Pattern & selection points
Clear pattern and scale layout
Transmissive mode confirmed per equipment lighting
Calibration workflow and reading method aligned first
Scenarios to discuss
Video-measuring machine calibration
Precision dimensional measurement
Machine-vision positioning and equipment correction
Materials to discuss
Optical glass / Film
Specs to confirm
Pattern, scale, effective area, and calibration method confirmed per equipment requirements
Dimensions, accuracy, and delivery parameters are subject to the technical confirmation sheet
Glass, quartz, and chrome-plate product directions for precision optical patterns, exposure validation, and custom plate making.
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Photomask plates
Photomask products for precision optical patterns, exposure validation, and custom plate making, confirmed by drawing, substrate, line width/spacing, CD or dimensional accuracy, and layout.
Pattern & selection points
Supports custom plate making and layout confirmation from drawings
Pattern polarity, effective area, and locating margins can be discussed
Line width/spacing and CD or dimensional accuracy are confirmed by engineering review
Scenarios to discuss
Exposure validation and process trials
Precision optical pattern fabrication
Research, inspection, and dedicated equipment pattern plates
Materials to discuss
Soda-lime glass / Quartz glass / Optical glass / Chrome process confirmed per project
Specs to confirm
Drawing files, layers, pattern polarity, and units must be confirmed before production
Substrate, thickness, effective area, outer size, and locating margins are confirmed per project
Minimum line width/spacing, CD or dimensional accuracy, quantity, panelization, packaging, and delivery are confirmed by engineering
Array pattern and effective area Array layout, locating margins, and effective pattern area are confirmed against the drawing and equipment field of view.
Coating appearance and pattern area Observed color varies with coating, lighting, and viewing angle; process details and pattern boundaries are confirmed per project.
Repeated layout and panelization Repeated graphics, locating marks, and panel spacing are confirmed against the drawing, effective area, and inspection requirements.
Batch carriers and handling Quantity, carrier format, packaging, and delivery protection are confirmed with the project batch and shipping requirements.
Product family
Encoder discs
Rotary measurement pattern elements customized by reading method, division pattern, and mounting structure.
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Custom encoder disc
Ring divisions, channels, and zero-position patterns made per the encoder reading method and mounting structure.
Pattern & selection points
Regular division lines
Supports multiple substrates
Pattern and mounting structure customizable
Scenarios to discuss
Encoder and motor speed sensing
Servo positioning
Angle detection and displacement counting
Materials to discuss
Metal / Optical glass / Film
Specs to confirm
Division pattern, channels, zero position, mounting holes, and reading method confirmed per application
Dimensions, accuracy, and delivery parameters are subject to the technical confirmation sheet
