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

N-SF57  847238.353

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 1.84666 νd 23.78
ne 1.85504 νe 23.59
nF-nC 0.035604 nF'-nC' 0.036247
Glass type
Article L
W
T
DIA
nd
vd
STEP
nd
STEP
vd
Weight
Characteristics λ [nm]
n2,325.4 2,325.4 1.78502
n1,970.1 1,970.1 1.79190
n1,529.6 1,529.6 1.80011
n1,060.0 1,060.0 1.81138
nt 1,014.0 1.81296
ns 852.1 1.82023
nr 706.5 1.83099
nC 656.3 1.83650
nC' 643.8 1.83807
Characteristics λ [nm]
n632.8 632.8 1.83956
nD 589.3 1.84635
nd 587.6 1.84666
ne 546.1 1.85504
nF 486.1 1.87210
nF' 480.0 1.87432
ng 435.8 1.89423
nh 404.7 1.91440
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 0.584
τ25/2325 2,325 0.642
τ25/1970 1,970 0.893
τ25/1530 1,530 0.980
τ25/1060 1,060 0.997
τ25/700 700 0.977
τ25/660 660 0.969
τ25/620 620 0.971
τ25/580 580 0.975
τ25/546 546 0.965
τ25/500 500 0.930
τ25/460 460 0.877
τ25/436 436 0.810
τ25/420 420 0.710
τ25/405 405 0.540
τ25/400 400 0.460
τ25/390 390 0.250
τ25/380 380 0.050
τ25/370 370 0.001
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 0.806
τ10/2325 2,325 0.838
τ10/1970 1,970 0.956
τ10/1530 1,530 0.992
τ10/1060 1,060 0.999
τ10/700 700 0.991
τ10/660 660 0.987
τ10/620 620 0.988
τ10/580 580 0.990
τ10/546 546 0.986
τ10/500 500 0.971
τ10/460 460 0.949
τ10/436 436 0.919
τ10/420 420 0.872
τ10/405 405 0.782
τ10/400 400 0.733
τ10/390 390 0.574
τ10/380 380 0.302
τ10/370 370 0.063
τ10/365 365 0.003
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 0.2042
PC,s 0.4568
Pd,C 0.2855
Pe,d 0.2353
Pg,F 0.6216
Pi,h
P's,t 0.2005
P'C',s 0.4922
P'd,C' 0.2369
P'e,d 0.2311
P'g,F' 0.5493
P'i,h
Characteristics
ΔPC,t 0.0032
ΔPC,s -0.0015
ΔPF,e 0.0033
ΔPg,F 0.0178
ΔPi,g