N-SF4  755274.315

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 1.75513 νd 27.38
ne 1.76164 νe 27.16
nF-nC 0.027583 nF'-nC' 0.028044
Glass type
Article L
W
T
DIA
nd
vd
STEP
nd
STEP
vd
Weight
Characteristics λ [nm]
n2,325.4 2,325.4 1.70434
n1,970.1 1,970.1 1.71052
n1,529.6 1,529.6 1.71773
n1,060.0 1,060.0 1.72717
nt 1,014.0 1.72846
ns 852.1 1.73432
nr 706.5 1.74286
nC 656.3 1.74719
nC' 643.8 1.74842
Characteristics λ [nm]
n632.8 632.8 1.74959
nD 589.3 1.75489
nd 587.6 1.75513
ne 546.1 1.76164
nF 486.1 1.77477
nF' 480.0 1.77647
ng 435.8 1.79158
nh 404.7 1.80668
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 0.530
τ25/2325 2,325 0.602
τ25/1970 1,970 0.863
τ25/1530 1,530 0.980
τ25/1060 1,060 0.999
τ25/700 700 0.984
τ25/660 660 0.978
τ25/620 620 0.979
τ25/580 580 0.982
τ25/546 546 0.977
τ25/500 500 0.948
τ25/460 460 0.906
τ25/436 436 0.861
τ25/420 420 0.802
τ25/405 405 0.687
τ25/400 400 0.628
τ25/390 390 0.471
τ25/380 380 0.238
τ25/370 370 0.031
τ25/365 365 0.003
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 0.776
τ10/2325 2,325 0.816
τ10/1970 1,970 0.943
τ10/1530 1,530 0.992
τ10/1060 1,060 0.999
τ10/700 700 0.994
τ10/660 660 0.991
τ10/620 620 0.992
τ10/580 580 0.993
τ10/546 546 0.991
τ10/500 500 0.979
τ10/460 460 0.961
τ10/436 436 0.942
τ10/420 420 0.916
τ10/405 405 0.861
τ10/400 400 0.830
τ10/390 390 0.740
τ10/380 380 0.563
τ10/370 370 0.249
τ10/365 365 0.100
τ10/350 350
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 0.2123
PC,s 0.4666
Pd,C 0.2880
Pe,d 0.2358
Pg,F 0.6096
Pi,h
P's,t 0.2088
P'C',s 0.5030
P'd,C' 0.2392
P'e,d 0.2319
P'g,F' 0.5390
P'i,h
Characteristics
ΔPC,t 0.0040
ΔPC,s -0.0002
ΔPF,e 0.0022
ΔPg,F 0.0118
ΔPi,g