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N-PK52A  497816.370

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 1.49700 νd 81.61
ne 1.49845 νe 81.21
nF-nC 0.006090 nF'-nC' 0.006138
Glass type
Article L
W
T
DIA
nd
vd
STEP
nd
STEP
vd
Weight
Characteristics λ [nm]
n2,325.4 2,325.4 1.47966
n1,970.1 1,970.1 1.48279
n1,529.6 1,529.6 1.48616
n1,060.0 1,060.0 1.48971
nt 1,014.0 1.49012
ns 852.1 1.49184
nr 706.5 1.49408
nC 656.3 1.49514
nC' 643.8 1.49544
Characteristics λ [nm]
n632.8 632.8 1.49571
nD 589.3 1.49695
nd 587.6 1.49700
ne 546.1 1.49845
nF 486.1 1.50123
nF' 480.0 1.50157
ng 435.8 1.50450
nh 404.7 1.50720
ni 365.0 1.51175
Characteristics λ [nm]
n334.1 334.1 1.51658
n312.6 312.6 1.52096
n296.7 296.7 1.52489
n280.4 280.4
n248.3 248.3
Characteristics λ [nm]
τ25/2500 2,500 0.967
τ25/2325 2,325 0.978
τ25/1970 1,970 0.990
τ25/1530 1,530 0.994
τ25/1060 1,060 0.994
τ25/700 700 0.993
τ25/660 660 0.993
τ25/620 620 0.995
τ25/580 580 0.997
τ25/546 546 0.997
τ25/500 500 0.996
τ25/460 460 0.992
τ25/436 436 0.990
τ25/420 420 0.990
τ25/405 405 0.992
τ25/400 400 0.992
τ25/390 390 0.992
τ25/380 380 0.989
τ25/370 370 0.980
τ25/365 365 0.970
τ25/350 350 0.880
τ25/334 334 0.630
τ25/320 320 0.300
τ25/310 310 0.120
τ25/300 300 0.040
τ25/290 290 0.010
τ25/280 280
τ25/270 270
τ25/260 260
τ25/250 250
Characteristics λ [nm]
τ10/2500 2,500 0.987
τ10/2325 2,325 0.991
τ10/1970 1,970 0.996
τ10/1530 1,530 0.998
τ10/1060 1,060 0.998
τ10/700 700 0.997
τ10/660 660 0.997
τ10/620 620 0.998
τ10/580 580 0.999
τ10/546 546 0.999
τ10/500 500 0.998
τ10/460 460 0.997
τ10/436 436 0.996
τ10/420 420 0.996
τ10/405 405 0.997
τ10/400 400 0.997
τ10/390 390 0.997
τ10/380 380 0.996
τ10/370 370 0.992
τ10/365 365 0.988
τ10/350 350 0.950
τ10/334 334 0.831
τ10/320 320 0.618
τ10/310 310 0.428
τ10/300 300 0.250
τ10/290 290 0.120
τ10/280 280 0.044
τ10/270 270 0.014
τ10/260 260
τ10/250 250
Characteristics
Ps,t 0.2819
PC,s 0.5417
Pd,C 0.3055
Pe,d 0.2388
Pg,F 0.5377
Pi,h 0.7470
P's,t 0.2797
P'C',s 0.5858
P'd,C' 0.2548
P'e,d 0.2369
P'g,F' 0.4774
P'i,h 0.7412
Characteristics
ΔPC,t -0.1084
ΔPC,s -0.0514
ΔPF,e 0.0103
ΔPg,F 0.0311
ΔPi,g 0.1497