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N-SK2HT  607567.355

optical glass klein 4zu3.jpg

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

HT & HTultra glasses feature enhanced transmission values in the visible spectral range, especially in the blue-violet range.

Find more information in the tabs below or on our website.

Compare glass types with our Interactive Abbe Diagram.

Characteristics
nd 1.60738 νd 56.65
ne 1.60994 νe 56.37
nF-nC 0.010722 nF'-nC' 0.010821
Glass type
Article L
W
T
DIA
nd
vd
STEP
nd
STEP
vd
Weight
Characteristics λ [nm]
n2,325.4 2,325.4 1.57881
n1,970.1 1,970.1 1.58378
n1,529.6 1,529.6 1.58914
n1,060.0 1,060.0 1.59490
nt 1,014.0 1.59558
ns 852.1 1.59847
nr 706.5 1.60230
nC 656.3 1.60414
nC' 643.8 1.60465
Characteristics λ [nm]
n632.8 632.8 1.60513
nD 589.3 1.60729
nd 587.6 1.60738
ne 546.1 1.60994
nF 486.1 1.61486
nF' 480.0 1.61547
ng 435.8 1.62073
nh 404.7 1.62562
ni 365.0 1.63398
Characteristics λ [nm]
n334.1 334.1 1.64304
n312.6 312.6
n296.7 296.7
n280.4 280.4
n248.3 248.3
Characteristics λ [nm]
τ25/2500 2,500 0.585
τ25/2325 2,325 0.748
τ25/1970 1,970 0.940
τ25/1530 1,530 0.987
τ25/1060 1,060 0.996
τ25/700 700 0.997
τ25/660 660 0.996
τ25/620 620 0.996
τ25/580 580 0.997
τ25/546 546 0.997
τ25/500 500 0.995
τ25/460 460 0.992
τ25/436 436 0.991
τ25/420 420 0.992
τ25/405 405 0.991
τ25/400 400 0.990
τ25/390 390 0.986
τ25/380 380 0.980
τ25/370 370 0.968
τ25/365 365 0.957
τ25/350 350 0.892
τ25/334 334 0.703
τ25/320 320 0.346
τ25/310 310 0.092
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 0.807
τ10/2325 2,325 0.890
τ10/1970 1,970 0.976
τ10/1530 1,530 0.995
τ10/1060 1,060 0.998
τ10/700 700 0.999
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 0.996
τ10/420 420 0.997
τ10/405 405 0.996
τ10/400 400 0.996
τ10/390 390 0.994
τ10/380 380 0.992
τ10/370 370 0.987
τ10/365 365 0.983
τ10/350 350 0.955
τ10/334 334 0.869
τ10/320 320 0.654
τ10/310 310 0.385
τ10/300 300 0.130
τ10/290 290 0.010
τ10/280 280
τ10/270 270
τ10/260 260
τ10/250 250
Characteristics
Ps,t 0.2690
PC,s 0.5285
Pd,C 0.3027
Pe,d 0.2384
Pg,F 0.5477
Pi,h 0.7802
P's,t 0.2666
P'C',s 0.5713
P'd,C' 0.2523
P'e,d 0.2362
P'g,F' 0.4860
P'i,h 0.7730
Characteristics
ΔPC,t -0.0162
ΔPC,s -0.0064
ΔPF,e 0.0003
ΔPg,F -0.0008
ΔPi,g -0.0130