The difference between success and costly engineering iteration often lies not in the lighting components themselves, but in how those components are specified, customised, and integrated into the machine architecture.
The system-level challenge
Alexandre Cottereau, Head of Product at Effilux, observes that OEMs frequently underestimate the complexity of lighting integration. "Machine vision lighting is not a commodity component," he explains. "For OEMs, it can either become a source of risk or a performance enabler, depending on how it is designed, customised, and industrialised."
The challenge stems from the intersection of multiple constraint domains. Mechanical packaging must accommodate increasingly compact machine architectures. Optical requirements must address specific material properties and inspection criteria. Electrical specifications must align with machine control systems, and environmental protection must match deployment conditions without compromising performance or creating maintenance burdens.
"What functions perfectly under controlled conditions may fail when confronted with real-world variables," Cottereau notes. "Ambient light fluctuations, temperature extremes, vibration, contamination: these are system-level challenges, not just product-level issues."
For OEMs, inadequate lighting integration translates directly into extended development cycles, increased project costs, and potential reliability issues across deployed machine fleets. The gap between laboratory demonstrations and industrial deployment often manifests most acutely in these lighting subsystems.
A framework for decision-making
Recognising that OEM requirements span a spectrum from straightforward to highly specialised, Effilux structures its offering around three distinct customisation levels. This provides what Cottereau describes as "a clear decision-making framework, not a marketing promise."
Standard products address approximately 80% of machine vision applications using proven, catalogue-available solutions. "These products benefit from extensive field validation, documented performance characteristics, and immediate availability," Cottereau explains. "The standard level delivers optimal time-to-market for applications where requirements align with established product specifications."
Custom-level solutions address applications where standard products provide the foundation but require targeted adaptations. "Modifications may encompass optical characteristics, mechanical format, electrical specifications, or protection levels," he notes. "The custom approach leverages proven standard product platforms whilst adapting specific subsystems to OEM requirements."
Development cycles for custom solutions remain relatively short, typically measured in weeks rather than months, because core technologies and manufacturing processes already exist. "We're not starting from zero," Cottereau emphasises. "We're adapting proven platforms to specific constraints."
Specific-level projects address requirements that cannot be satisfied through standard products or modifications. "These engagements demand complete custom development," Cottereau explains. "Optical design, mechanical engineering, electronic design, thermal analysis, and prototype iteration: it is a full project-driven approach with dedicated engineering resources."
Rapid iteration as competitive advantage
The co-engineering workflow emphasises speed and flexibility. "Laboratory validation provides necessary but insufficient evidence of production suitability," Cottereau observes. "On-site testing under actual operating conditions reveals issues invisible in controlled environments."
Short iteration loops prove critical during development. "The ability to quickly modify prototypes, retest, and refine solutions prevents minor issues from becoming project delays," he notes. "Strong in-house capabilities across optics, electronics, mechanical engineering, and assembly enable these rapid cycles without external dependencies."
This integrated capability distinguishes industrial lighting specialists from component distributors. "We're not sending designs to external suppliers and waiting for prototypes to return," Cottereau explains. "Everything happens in-house, which means we can turn around modifications in days rather than weeks."
From specific solution to platform standard
An automotive OEM's experience illustrates how specific developments can generate long-term value. Testia Rennes required illumination capable of projecting a precise rectangular pattern onto vehicle bodywork moving at up to 65 cars per hour through a compact inspection station. Space constraints, stringent accuracy requirements, and the optical challenge of detecting sub-millimetre gaps and flushness variations eliminated all standard options.
Arnaud Legeard, Product Owner at Testia Rennes, describes the challenge: "The application demanded an illumination geometry that could generate adequate contrast for target defects whilst fitting within extreme space constraints. Custom electronics provided the high-speed triggering and intensity control required for the inspection rate." Multiple prototype iterations refined the optical performance, with on-site testing revealing application subtleties not apparent in laboratory conditions. Following successful deployment on the initial body-in-white line, the solution demonstrated its value through consistent performance across multiple vehicle models.
A spokesperson from the Effilux development team explained how the project evolved: "As Testia Rennes expanded the inspection system across multiple production facilities, the lighting transitioned from a one-off specific development to a semi-standard product within our portfolio. This delivered multiple benefits: simplified procurement, guaranteed repeatability across all installations, streamlined maintenance through common spare parts, and reduced integration engineering for each new line deployment."
The investment in specific development, initially justified by a single application, generated ongoing value across the OEM's entire production platform. "Over subsequent years, the relationship evolved beyond the original application," Mestivier notes. "Our detailed understanding of the platform requirements enabled rapid development of lighting solutions for derivative inspection challenges."
The partnership dimension
For Cottereau, successful OEM relationships extend far beyond transactional component supply. "Long-term relationships, measured in decades rather than years, enable us to develop a deep understanding of OEM platforms, requirements, and strategic direction," he explains.
This accumulated knowledge accelerates the development of lighting solutions for derivative applications, ensures consistency across machine generations, and positions lighting as an enabler rather than a constraint as markets and technologies evolve.
"We have OEM partnerships that span more than ten years," Cottereau notes. "We've supported their machines across multiple generations and into new markets. When you understand an OEM's platform that deeply, you can move much faster on new projects because you're not starting from zero each time."
The approach recognises lighting as neither a commodity component nor an entirely custom subsystem, but rather as an engineered solution requiring genuine partnership with suppliers possessing both technical capability and industrial experience.
Integration beyond specifications
Cottereau emphasises that successful lighting integration requires attention to factors beyond basic functional specifications. "OEMs need to consider mechanical and camera compatibility, optical stability, repeatability over time, maintenance and robustness, and scalability as applications evolve," he explains.
"Verify that performance characteristics remain consistent across production batches and maintain specifications through the expected service life," he advises. "Assess protection levels against expected environmental conditions. Confirm that replacement procedures can be executed swiftly by field service personnel."
These considerations become particularly critical for OEMs deploying machine fleets across multiple facilities or markets. "What works in one production environment may face different challenges in another," Cottereau notes. "Temperature ranges, ambient light conditions, contamination levels: these vary significantly between facilities."
Strategic positioning
The customisation framework (standard, custom, specific) provides OEMs with a structured approach to decision-making, matching solution complexity to application requirements. "We're not trying to force every application into the same box," Cottereau explains. "We're providing OEMs with options that make sense for their specific situation."
Combined with co-engineering workflows emphasising rapid iteration and strong in-house capabilities, this approach transforms lighting from a potential integration risk into a genuine competitive advantage.
"Machine vision lighting occupies a unique position in OEM product development," Cottereau reflects. "It's not a commodity you can specify from catalogues with confidence, but it benefits enormously from leveraging proven technologies and accumulated field experience."
For OEMs navigating increasingly complex machine vision requirements, the strategic approach recognises lighting as a critical subsystem deserving of careful attention and genuine partnership.
"The difference between success and costly iteration often lies in how early you engage with lighting specialists," Cottereau concludes. "The earlier we're involved in the development process, the more effectively we can help OEMs avoid integration risks and accelerate time-to-market."
