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N-BAF4  606437.289

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 1.60568 νd 43.72
ne 1.60897 νe 43.43
nF-nC 0.013853 nF'-nC' 0.014021
Glass type
Article L
W
T
DIA
nd
vd
STEP
nd
STEP
vd
Weight
Characteristics λ [nm]
n2,325.4 2,325.4 1.57092
n1,970.1 1,970.1 1.57685
n1,529.6 1,529.6 1.58323
n1,060.0 1,060.0 1.59016
nt 1,014.0 1.59099
ns 852.1 1.59452
nr 706.5 1.59926
nC 656.3 1.60157
nC' 643.8 1.60222
Characteristics λ [nm]
n632.8 632.8 1.60282
nD 589.3 1.60556
nd 587.6 1.60568
ne 546.1 1.60897
nF 486.1 1.61542
nF' 480.0 1.61624
ng 435.8 1.62336
nh 404.7 1.63022
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 0.420
τ25/2325 2,325 0.640
τ25/1970 1,970 0.890
τ25/1530 1,530 0.977
τ25/1060 1,060 0.994
τ25/700 700 0.994
τ25/660 660 0.991
τ25/620 620 0.990
τ25/580 580 0.992
τ25/546 546 0.992
τ25/500 500 0.985
τ25/460 460 0.971
τ25/436 436 0.959
τ25/420 420 0.940
τ25/405 405 0.900
τ25/400 400 0.870
τ25/390 390 0.770
τ25/380 380 0.580
τ25/370 370 0.280
τ25/365 365 0.130
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 0.707
τ10/2325 2,325 0.837
τ10/1970 1,970 0.954
τ10/1530 1,530 0.991
τ10/1060 1,060 0.998
τ10/700 700 0.998
τ10/660 660 0.996
τ10/620 620 0.996
τ10/580 580 0.997
τ10/546 546 0.997
τ10/500 500 0.994
τ10/460 460 0.988
τ10/436 436 0.983
τ10/420 420 0.976
τ10/405 405 0.959
τ10/400 400 0.946
τ10/390 390 0.901
τ10/380 380 0.804
τ10/370 370 0.601
τ10/365 365 0.442
τ10/350 350 0.012
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 0.2545
PC,s 0.5089
Pd,C 0.2972
Pe,d 0.2372
Pg,F 0.5733
Pi,h
P's,t 0.2515
P'C',s 0.5491
P'd,C' 0.2473
P'e,d 0.2344
P'g,F' 0.5081
P'i,h
Characteristics
ΔPC,t 0.0110
ΔPC,s 0.0041
ΔPF,e 0.0002
ΔPg,F 0.0030
ΔPi,g