A practical guide to using filter-wheel fiber illumination when one inspection station must evaluate several colors, coatings, printed marks, or material responses without rebuilding the optical path.

Document every wavelength trial

During engineering validation, capture a small image set for every filter position and keep the acquisition parameters beside the image. This turns subjective visual comparison into a repeatable selection process. It also helps later when a customer changes ink, resin, surface texture, or part color and asks why the original recipe was selected.

LuxMV engineering recommendation

Use multi-color fiber illumination as a controlled comparison tool first, then decide whether the production station should keep wavelength switching or move to a fixed optimized band. LuxMV can pair this lighting method with sample testing, controller timing, camera exposure settings, and optical fixture design so the final image has enough contrast margin for automated inspection.