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N-BAF51  652450.333

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 1.65224 νd 44.96
ne 1.65569 νe 44.67
nF-nC 0.014507 nF'-nC' 0.014677
Glass type
Article L
W
T
DIA
nd
vd
STEP
nd
STEP
vd
Weight
Characteristics λ [nm]
n2,325.4 2,325.4 1.61873
n1,970.1 1,970.1 1.62390
n1,529.6 1,529.6 1.62961
n1,060.0 1,060.0 1.63619
nt 1,014.0 1.63701
ns 852.1 1.64059
nr 706.5 1.64551
nC 656.3 1.64792
nC' 643.8 1.64860
Characteristics λ [nm]
n632.8 632.8 1.64924
nD 589.3 1.65211
nd 587.6 1.65224
ne 546.1 1.65569
nF 486.1 1.66243
nF' 480.0 1.66328
ng 435.8 1.67065
nh 404.7 1.67766
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 0.480
τ25/2325 2,325 0.630
τ25/1970 1,970 0.870
τ25/1530 1,530 0.980
τ25/1060 1,060 0.993
τ25/700 700 0.993
τ25/660 660 0.990
τ25/620 620 0.990
τ25/580 580 0.992
τ25/546 546 0.991
τ25/500 500 0.985
τ25/460 460 0.970
τ25/436 436 0.956
τ25/420 420 0.940
τ25/405 405 0.910
τ25/400 400 0.890
τ25/390 390 0.820
τ25/380 380 0.690
τ25/370 370 0.470
τ25/365 365 0.330
τ25/350 350 0.020
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 0.746
τ10/2325 2,325 0.831
τ10/1970 1,970 0.946
τ10/1530 1,530 0.992
τ10/1060 1,060 0.997
τ10/700 700 0.997
τ10/660 660 0.996
τ10/620 620 0.996
τ10/580 580 0.997
τ10/546 546 0.996
τ10/500 500 0.994
τ10/460 460 0.988
τ10/436 436 0.982
τ10/420 420 0.976
τ10/405 405 0.963
τ10/400 400 0.954
τ10/390 390 0.924
τ10/380 380 0.862
τ10/370 370 0.739
τ10/365 365 0.642
τ10/350 350 0.209
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 0.2463
PC,s 0.5055
Pd,C 0.2977
Pe,d 0.2376
Pg,F 0.5670
Pi,h
P's,t 0.2435
P'C',s 0.5460
P'd,C' 0.2479
P'e,d 0.2349
P'g,F' 0.5024
P'i,h
Characteristics
ΔPC,t -0.0064
ΔPC,s -0.0022
ΔPF,e -0.0001
ΔPg,F -0.0012
ΔPi,g