Description

[Focal length] 550 nm (iHR550)
[Aperture] f/6.4 (iHR550)
[Spectral Range] 150 – 1,500 nm (at 1,200 gr/mm grating)
[Spectral Dispersion] 1.34 nm/mm at 435 nm, 1,200 gr/mm (iHR550)