Glas optische Linse

lens: 1)Material:H-ZLAF2 2)Opticalhomogeneity:2 3)Birefringence:3 4)Coefficientoflightabsorption:3 5)Fringeclasses:1C 6)Bubbleclasses(q):3C 7)Diameter:Φ4.2mm±0.04 8)Centrethickness(t):1.25mm±0.03 9)Edgethickness(d):1.00mm 10)Focallength(f'): 12)Curvatureradius(R):R19.165mmR23.46mm 13)Smoothfinish(B):60-40 14)Clearaperture(N):0 4 15)Irregularaperture(ΔN):0.5 16)Centeringerror(C):0.05 17)Effectiveaperture(D0):Φ4 18)chamfer: 19)Metallic-membraneplating:AR400 550nm You just need to tell us your technical requirement,then we'll design and processing.Please don't hesitate to contact us if you are interesting to our lens.It's a great pleasure to establish a happy and successful business relationship with you in a long term. We bielieve that through our effort,we'll become your reliable supplier and best cooperator of your business