Intended for OEM fiber optic illumination, LumiBright™ Light Engines combine non-imaging optics with chip-on-board LED arrays on metal core circuit boards for optimum luminous efficacy. Model 2400B-400-W, producing up to 4,000 lm, has 0.66 numerical aperture and illuminates fiber bundles and light guides from 6.0–8.0 mm in diameter. Producing up to 1500 lm, Model 2400B-500-W is suited for endoscope/microscope applications with 0.60 NA for light guides that are 3.0–5.0 mm in diameter.