Plane Ruled Diffraction Grating, 600 g/mm, 750 nm, 13°

Plane Ruled Diffraction Grating, 600 grooves per mm, 750 nm nominal blaze wavelength (1st order Littrow), 13° nominal blaze angle

Plane Ruled Diffraction Grating, 600 grooves per mm, 750 nm nominal blaze wavelength (1st order Littrow), 13° nominal blaze angle