Wavelength range : 380 ～ 780 nm - Wavelength resolution : 0.9 nm／pixel - Display wavelength bandwidth : 1.0 nm - Wavelength precision : ±0.3 nm (Hg-Cd mean wavelength : 435.8 nm, 546.1 nm, 643.8 nm) - Spectral bandwidth: 5 nm - Measuri