The Omni-λ Series monochromator / spectrograph is a versatile system with a precision direct drive and a triple grating turret that offers unparalleled repeatability and reproducibility in spectral position.

Convenience you need to choose the right products accurately

Gratings
Omni-λ300/500/750 series gratings from Richardson 
Grating efficiency curve

The Double Monochromators/Spectrographs include two 300 mm focus monochromators( or 500 mm, 750 mm focus) which are with fine alignment.

The Triple Monochromators/Spectrographs include three 500 mm focus monochromators which are with fine alignment.