Please note: Due to maintenance the shop will be unavailable on Tuesday, November 30, from 06:00 AM until 08:00 AM (CEST)

N-SF66  923209.400

optical glass klein 4zu3.jpg

“N”-glass as an environmentally friendly alternative to conventional lead and arsenic-containing glass types.

Find more information in the tabs below or on our website.

Compare glass types with our Interactive Abbe Diagram.

Characteristics
nd 1.92286 νd 20.88
ne 1.93322 νe 20.70
nF-nC 0.044199 nF'-nC' 0.045076
Glass type
Article L
W
T
DIA
nd
vd
STEP
nd
STEP
vd
Weight
Characteristics λ [nm]
n2,325.4 2,325.4 1.84839
n1,970.1 1,970.1 1.85665
n1,529.6 1,529.6 1.86650
n1,060.0 1,060.0 1.87999
nt 1,014.0 1.88189
ns 852.1 1.89064
nr 706.5 1.90368
nC 656.3 1.91039
nC' 643.8 1.91232
Characteristics λ [nm]
n632.8 632.8 1.91414
nD 589.3 1.92248
nd 587.6 1.92286
ne 546.1 1.93322
nF 486.1 1.95459
nF' 480.0 1.95739
ng 435.8 1.98285
nh 404.7
ni 365.0
Characteristics λ [nm]
n334.1 334.1
n312.6 312.6
n296.7 296.7
n280.4 280.4
n248.3 248.3
Characteristics λ [nm]
τ25/2500 2,500 0.560
τ25/2325 2,325 0.640
τ25/1970 1,970 0.873
τ25/1530 1,530 0.973
τ25/1060 1,060 0.991
τ25/700 700 0.977
τ25/660 660 0.968
τ25/620 620 0.958
τ25/580 580 0.940
τ25/546 546 0.910
τ25/500 500 0.830
τ25/460 460 0.740
τ25/436 436 0.630
τ25/420 420 0.500
τ25/405 405 0.270
τ25/400 400 0.180
τ25/390 390 0.020
τ25/380 380
τ25/370 370
τ25/365 365
τ25/350 350
τ25/334 334
τ25/320 320
τ25/310 310
τ25/300 300
τ25/290 290
τ25/280 280
τ25/270 270
τ25/260 260
τ25/250 250
Characteristics λ [nm]
τ10/2500 2,500 0.793
τ10/2325 2,325 0.837
τ10/1970 1,970 0.947
τ10/1530 1,530 0.989
τ10/1060 1,060 0.996
τ10/700 700 0.991
τ10/660 660 0.987
τ10/620 620 0.983
τ10/580 580 0.976
τ10/546 546 0.963
τ10/500 500 0.928
τ10/460 460 0.887
τ10/436 436 0.831
τ10/420 420 0.758
τ10/405 405 0.592
τ10/400 400 0.504
τ10/390 390 0.250
τ10/380 380 0.040
τ10/370 370 0.001
τ10/365 365
τ10/350 350
τ10/334 334
τ10/320 320
τ10/310 310
τ10/300 300
τ10/290 290
τ10/280 280
τ10/270 270
τ10/260 260
τ10/250 250
Characteristics
Ps,t 0.1980
PC,s 0.4467
Pd,C 0.2822
Pe,d 0.2345
Pg,F 0.6394
Pi,h
P's,t 0.1941
P'C',s 0.4808
P'd,C' 0.2339
P'e,d 0.2299
P'g,F' 0.5647
P'i,h
Characteristics
ΔPC,t 0.0007
ΔPC,s -0.0048
ΔPF,e 0.0059
ΔPg,F 0.0307
ΔPi,g