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SF4  755276.479

optical glass klein 4zu3.jpg

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

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

Compare glass types with our Interactive Abbe Diagram.

Characteristics
nd 1.75520 νd 27.58
ne 1.76167 νe 27.37
nF-nC 0.027383 nF'-nC' 0.027829
Glass type
Article L
W
T
DIA
nd
vd
STEP
nd
STEP
vd
Weight
Characteristics λ [nm]
n2,325.4 2,325.4 1.70789
n1,970.1 1,970.1 1.71294
n1,529.6 1,529.6 1.71904
n1,060.0 1,060.0 1.72765
nt 1,014.0 1.72888
ns 852.1 1.73456
nr 706.5 1.74300
nC 656.3 1.74730
nC' 643.8 1.74853
Characteristics λ [nm]
n632.8 632.8 1.74969
nD 589.3 1.75496
nd 587.6 1.75520
ne 546.1 1.76167
nF 486.1 1.77468
nF' 480.0 1.77636
ng 435.8 1.79121
nh 404.7 1.80589
ni 365.0 1.83330
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 0.660
τ25/2325 2,325 0.740
τ25/1970 1,970 0.910
τ25/1530 1,530 0.989
τ25/1060 1,060 0.996
τ25/700 700 0.996
τ25/660 660 0.995
τ25/620 620 0.995
τ25/580 580 0.996
τ25/546 546 0.996
τ25/500 500 0.991
τ25/460 460 0.980
τ25/436 436 0.967
τ25/420 420 0.950
τ25/405 405 0.910
τ25/400 400 0.890
τ25/390 390 0.820
τ25/380 380 0.690
τ25/370 370 0.450
τ25/365 365 0.280
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 0.847
τ10/2325 2,325 0.887
τ10/1970 1,970 0.963
τ10/1530 1,530 0.996
τ10/1060 1,060 0.998
τ10/700 700 0.998
τ10/660 660 0.998
τ10/620 620 0.998
τ10/580 580 0.998
τ10/546 546 0.998
τ10/500 500 0.996
τ10/460 460 0.992
τ10/436 436 0.987
τ10/420 420 0.980
τ10/405 405 0.963
τ10/400 400 0.954
τ10/390 390 0.924
τ10/380 380 0.862
τ10/370 370 0.727
τ10/365 365 0.601
τ10/350 350 0.090
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 0.2076
PC,s 0.4650
Pd,C 0.2886
Pe,d 0.2361
Pg,F 0.6036
Pi,h 1.0012
P's,t 0.2042
P'C',s 0.5018
P'd,C' 0.2398
P'e,d 0.2323
P'g,F' 0.5337
P'i,h 0.9851
Characteristics
ΔPC,t -0.0032
ΔPC,s -0.0022
ΔPF,e 0.0014
ΔPg,F 0.0062
ΔPi,g 0.0443