CMBS series is a collection of 45° plate beam splitters designed to easily create coaxial illumination solutions with Opto Engineering TC telecentric lenses and collimated illuminators. Using these 45° plate beam splitters, an incoming light beam can be divided in two separate beams with a 50% reflection / 50% transmission ratio. CMBS series is designed for 45° angle of incidence in the 430 - 670 nm waveband: one surface is beam-splitter coated while the second one features an anti-reflective coating. CMBS series enhances Opto Engineering telecentric lenses and collimated illuminators to create the perfect coaxial illumination set-up: simply position the telecentric lens and the collimated illuminator in the appropriate port. Each of the two ports feature a tightening knob that allows for easy and secure clamping. In addition, compatible protective windows are available. Coaxial illumination is especially used to illuminate plain reflective objects and effectively highlight flaws or dents (which appear in the image as dark features). Whenever you are looking for a precise and easy way to setup a coaxial illumination solution, CMBS series is the ideal choice.