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N-BK10  498670.239

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 1.49782 νd 66.95
ne 1.49960 νe 66.78
nF-nC 0.007435 nF'-nC' 0.007481
Glass type
Article L
W
T
DIA
nd
vd
STEP
nd
STEP
vd
Weight
Characteristics λ [nm]
n2,325.4 2,325.4 1.47060
n1,970.1 1,970.1 1.47647
n1,529.6 1,529.6 1.48252
n1,060.0 1,060.0 1.48827
nt 1,014.0 1.48887
ns 852.1 1.49127
nr 706.5 1.49419
nC 656.3 1.49552
nC' 643.8 1.49589
Characteristics λ [nm]
n632.8 632.8 1.49623
nD 589.3 1.49775
nd 587.6 1.49782
ne 546.1 1.49960
nF 486.1 1.50296
nF' 480.0 1.50337
ng 435.8 1.50690
nh 404.7 1.51014
ni 365.0 1.51561
Characteristics λ [nm]
n334.1 334.1 1.52144
n312.6 312.6 1.52674
n296.7 296.7 1.53151
n280.4 280.4
n248.3 248.3
Characteristics λ [nm]
τ25/2500 2,500 0.470
τ25/2325 2,325 0.710
τ25/1970 1,970 0.950
τ25/1530 1,530 0.980
τ25/1060 1,060 0.996
τ25/700 700 0.995
τ25/660 660 0.993
τ25/620 620 0.992
τ25/580 580 0.993
τ25/546 546 0.993
τ25/500 500 0.991
τ25/460 460 0.990
τ25/436 436 0.989
τ25/420 420 0.989
τ25/405 405 0.990
τ25/400 400 0.990
τ25/390 390 0.989
τ25/380 380 0.985
τ25/370 370 0.986
τ25/365 365 0.986
τ25/350 350 0.978
τ25/334 334 0.947
τ25/320 320 0.860
τ25/310 310 0.710
τ25/300 300 0.420
τ25/290 290 0.110
τ25/280 280
τ25/270 270
τ25/260 260
τ25/250 250
Characteristics λ [nm]
τ10/2500 2,500 0.739
τ10/2325 2,325 0.872
τ10/1970 1,970 0.980
τ10/1530 1,530 0.992
τ10/1060 1,060 0.998
τ10/700 700 0.998
τ10/660 660 0.997
τ10/620 620 0.997
τ10/580 580 0.997
τ10/546 546 0.997
τ10/500 500 0.996
τ10/460 460 0.996
τ10/436 436 0.996
τ10/420 420 0.996
τ10/405 405 0.996
τ10/400 400 0.996
τ10/390 390 0.996
τ10/380 380 0.994
τ10/370 370 0.994
τ10/365 365 0.994
τ10/350 350 0.991
τ10/334 334 0.978
τ10/320 320 0.941
τ10/310 310 0.872
τ10/300 300 0.707
τ10/290 290 0.414
τ10/280 280 0.123
τ10/270 270 0.010
τ10/260 260
τ10/250 250
Characteristics
Ps,t 0.3224
PC,s 0.5716
Pd,C 0.3093
Pe,d 0.2387
Pg,F 0.5303
Pi,h 0.7360
P's,t 0.3204
P'C',s 0.6174
P'd,C' 0.2580
P'e,d 0.2373
P'g,F' 0.4716
P'i,h 0.7315
Characteristics
ΔPC,t 0.0314
ΔPC,s 0.0126
ΔPF,e -0.0012
ΔPg,F -0.0008
ΔPi,g 0.0091