Optical Amici Prism

We are offering optical amici prism. Amici prism,also called roof prism,17.98mm,hk9l glass with ar coating,used on spectrometer mostly. The specification of amici prism as picture indicated: n1=n2=2,delta n1,n2=0.5 n3=n4=2,delta n3,n4=0.5 surface quality:60-40 theta 1=theta 2=10 ' roof symmetry is 0.15,can have 3 break-points,small than 0.1 perpendicularity of 3 and 4 faces is 10' ar coating (mgf2@550nm) t>95%.