Wavelength range： no less than 380-950nm
Display wavelength bandwidth： 1.0nm，Wavelength accuracy：±0.3nm
View angle： 8°
Measurement distance： 300mm to infinity(standard lens)
Spectral radiance sensitivity accuracy： NVIS weighted radiance is more than 1.7*E-11W/(cm2 *sr* nm)
Zero drift： < 0.1%
