N-FK51A  487845.368

optical glass klein 4zu3.jpg

“N”-glass as an environmentally friendly alternative to conventional lead and arsenic-containing glass types.

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Compare glass types with our Interactive Abbe Diagram.

Characteristics
nd 1.48656 νd 84.47
ne 1.48794 νe 84.07
nF-nC 0.005760 nF'-nC' 0.005804
Glass type
Article L
W
T
DIA
nd
vd
STEP
nd
STEP
vd
Weight
Characteristics λ [nm]
n2,325.4 2,325.4 1.46958
n1,970.1 1,970.1 1.47271
n1,529.6 1,529.6 1.47608
n1,060.0 1,060.0 1.47959
nt 1,014.0 1.47999
ns 852.1 1.48165
nr 706.5 1.48379
nC 656.3 1.48480
nC' 643.8 1.48508
Characteristics λ [nm]
n632.8 632.8 1.48534
nD 589.3 1.48651
nd 587.6 1.48656
ne 546.1 1.48794
nF 486.1 1.49056
nF' 480.0 1.49088
ng 435.8 1.49364
nh 404.7 1.49618
ni 365.0 1.50046
Characteristics λ [nm]
n334.1 334.1 1.50501
n312.6 312.6 1.50911
n296.7 296.7
n280.4 280.4
n248.3 248.3
Characteristics λ [nm]
τ25/2500 2,500 0.750
τ25/2325 2,325 0.840
τ25/1970 1,970 0.989
τ25/1530 1,530 0.990
τ25/1060 1,060 0.994
τ25/700 700 0.995
τ25/660 660 0.995
τ25/620 620 0.996
τ25/580 580 0.997
τ25/546 546 0.997
τ25/500 500 0.996
τ25/460 460 0.993
τ25/436 436 0.992
τ25/420 420 0.992
τ25/405 405 0.993
τ25/400 400 0.993
τ25/390 390 0.992
τ25/380 380 0.988
τ25/370 370 0.976
τ25/365 365 0.963
τ25/350 350 0.875
τ25/334 334 0.630
τ25/320 320 0.300
τ25/310 310 0.120
τ25/300 300 0.035
τ25/290 290 0.010
τ25/280 280
τ25/270 270
τ25/260 260
τ25/250 250
Characteristics λ [nm]
τ10/2500 2,500 0.891
τ10/2325 2,325 0.933
τ10/1970 1,970 0.976
τ10/1530 1,530 0.992
τ10/1060 1,060 0.998
τ10/700 700 0.998
τ10/660 660 0.998
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 0.997
τ10/420 420 0.997
τ10/405 405 0.997
τ10/400 400 0.997
τ10/390 390 0.997
τ10/380 380 0.995
τ10/370 370 0.990
τ10/365 365 0.985
τ10/350 350 0.948
τ10/334 334 0.831
τ10/320 320 0.618
τ10/310 310 0.428
τ10/300 300 0.262
τ10/290 290 0.137
τ10/280 280 0.058
τ10/270 270
τ10/260 260
τ10/250 250
Characteristics
Ps,t 0.2879
PC,s 0.5465
Pd,C 0.3062
Pe,d 0.2388
Pg,F 0.5359
Pi,h 0.7429
P's,t 0.2858
P'C',s 0.5909
P'd,C' 0.2554
P'e,d 0.2370
P'g,F' 0.4759
P'i,h 0.7373
Characteristics
ΔPC,t -0.1112
ΔPC,s -0.0533
ΔPF,e 0.0110
ΔPg,F 0.0342
ΔPi,g 0.1675