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F2HT  620364.360

optical glass klein 4zu3.jpg

A classic glass type with lead oxide as an essential component for outstanding optical properties.

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 1.62004 νd 36.37
ne 1.62408 νe 36.11
nF-nC 0.017050 nF'-nC' 0.017284
Glass type
Article L
W
T
DIA
nd
vd
STEP
nd
STEP
vd
Weight
Characteristics λ [nm]
n2,325.4 2,325.4 1.58465
n1,970.1 1,970.1 1.58958
n1,529.6 1,529.6 1.59513
n1,060.0 1,060.0 1.60190
nt 1,014.0 1.60279
ns 852.1 1.60671
nr 706.5 1.61227
nC 656.3 1.61503
nC' 643.8 1.61582
Characteristics λ [nm]
n632.8 632.8 1.61656
nD 589.3 1.61989
nd 587.6 1.62004
ne 546.1 1.62408
nF 486.1 1.63208
nF' 480.0 1.63310
ng 435.8 1.64202
nh 404.7 1.65064
ni 365.0 1.66623
Characteristics λ [nm]
n334.1 334.1 1.68455
n312.6 312.6
n296.7 296.7
n280.4 280.4
n248.3 248.3
Characteristics λ [nm]
τ25/2500 2,500 0.714
τ25/2325 2,325 0.795
τ25/1970 1,970 0.921
τ25/1530 1,530 0.994
τ25/1060 1,060 0.998
τ25/700 700 0.998
τ25/660 660 0.997
τ25/620 620 0.998
τ25/580 580 0.998
τ25/546 546 0.998
τ25/500 500 0.997
τ25/460 460 0.995
τ25/436 436 0.994
τ25/420 420 0.994
τ25/405 405 0.992
τ25/400 400 0.991
τ25/390 390 0.988
τ25/380 380 0.982
τ25/370 370 0.971
τ25/365 365 0.957
τ25/350 350 0.828
τ25/334 334 0.240
τ25/320 320 0.000
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 0.874
τ10/2325 2,325 0.912
τ10/1970 1,970 0.968
τ10/1530 1,530 0.998
τ10/1060 1,060 0.999
τ10/700 700 0.999
τ10/660 660 0.999
τ10/620 620 0.999
τ10/580 580 0.999
τ10/546 546 0.999
τ10/500 500 0.999
τ10/460 460 0.998
τ10/436 436 0.998
τ10/420 420 0.997
τ10/405 405 0.997
τ10/400 400 0.996
τ10/390 390 0.995
τ10/380 380 0.993
τ10/370 370 0.988
τ10/365 365 0.983
τ10/350 350 0.927
τ10/334 334 0.565
τ10/320 320 0.080
τ10/310 310 0.000
τ10/300 300
τ10/290 290
τ10/280 280
τ10/270 270
τ10/260 260
τ10/250 250
Characteristics
Ps,t 0.2301
PC,s 0.4882
Pd,C 0.2938
Pe,d 0.2370
Pg,F 0.5828
Pi,h 0.9142
P's,t 0.2270
P'C',s 0.5270
P'd,C' 0.2443
P'e,d 0.2338
P'g,F' 0.5159
P'i,h 0.9018
Characteristics
ΔPC,t 0.0008
ΔPC,s 0.0005
ΔPF,e 0.0000
ΔPg,F 0.0002
ΔPi,g 0.0006