YS4510 standard spectrophotometerwith 45/0 geometrical optics structure( 45 ring-shaped illumination ,vertical viewing), comply with C I E N o . 1 5. Adopting concave grating light...
3nh launched new model YD5050 Grating Spectrophotometer Densitometer with 45/0(45 ring-shaped illumination 0 degree viewing angle) comply to standard ISO 5-4CIE No.15. It is suitab...