N-FK58  456909.365

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 1.45600 νd 90.90
ne 1.45720 νe 90.47
nF-nC 0.005017 nF'-nC' 0.005053
Glass type
Article L
W
T
DIA
nd
vd
STEP
nd
STEP
vd
Weight
Characteristics λ [nm]
n2,325.4 2,325.4 1.44114
n1,970.1 1,970.1 1.44388
n1,529.6 1,529.6 1.44683
n1,060.0 1,060.0 1.44991
nt 1,014.0 1.45026
ns 852.1 1.45171
nr 706.5 1.45358
nC 656.3 1.45446
nC' 643.8 1.45471
Characteristics λ [nm]
n632.8 632.8 1.45494
nD 589.3 1.45596
nd 587.6 1.45600
ne 546.1 1.45720
nF 486.1 1.45948
nF' 480.0 1.45976
ng 435.8 1.46216
nh 404.7 1.46436
ni 365.0 1.46807
Characteristics λ [nm]
n334.1 334.1 1.47199
n312.6 312.6
n296.7 296.7
n280.4 280.4
n248.3 248.3
Characteristics λ [nm]
τ25/2500 2,500 0.993
τ25/2325 2,325 0.996
τ25/1970 1,970 0.998
τ25/1530 1,530 0.998
τ25/1060 1,060 0.995
τ25/700 700 0.993
τ25/660 660 0.993
τ25/620 620 0.994
τ25/580 580 0.994
τ25/546 546 0.995
τ25/500 500 0.994
τ25/460 460 0.992
τ25/436 436 0.991
τ25/420 420 0.991
τ25/405 405 0.991
τ25/400 400 0.991
τ25/390 390 0.990
τ25/380 380 0.987
τ25/370 370 0.980
τ25/365 365 0.975
τ25/350 350 0.940
τ25/334 334 0.830
τ25/320 320 0.610
τ25/310 310 0.400
τ25/300 300 0.200
τ25/290 290 0.080
τ25/280 280 0.028
τ25/270 270 0.010
τ25/260 260 0.005
τ25/250 250
Characteristics λ [nm]
τ10/2500 2,500 0.997
τ10/2325 2,325 0.998
τ10/1970 1,970 0.999
τ10/1530 1,530 0.999
τ10/1060 1,060 0.998
τ10/700 700 0.997
τ10/660 660 0.997
τ10/620 620 0.997
τ10/580 580 0.998
τ10/546 546 0.998
τ10/500 500 0.998
τ10/460 460 0.997
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 0.995
τ10/370 370 0.992
τ10/365 365 0.990
τ10/350 350 0.976
τ10/334 334 0.928
τ10/320 320 0.821
τ10/310 310 0.693
τ10/300 300 0.525
τ10/290 290 0.364
τ10/280 280 0.239
τ10/270 270 0.152
τ10/260 260 0.109
τ10/250 250 0.090
Characteristics
Ps,t 0.2894
PC,s 0.5481
Pd,C 0.3066
Pe,d 0.2388
Pg,F 0.5347
Pi,h 0.7387
P's,t 0.2873
P'C',s 0.5927
P'd,C' 0.2557
P'e,d 0.2371
P'g,F' 0.4749
P'i,h 0.7334
Characteristics
ΔPC,t -0.1386
ΔPC,s -0.0667
ΔPF,e 0.0140
ΔPg,F 0.0438
ΔPi,g 0.2157