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SF57HTULTRA

Glass Code:  847238.551

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.

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Compare glass types with our Interactive Abbe Diagram.

optical glass klein 4zu3.jpg
Characteristics
nd 1.84666 νd 23.83
ne 1.85504 νe 23.64
nF-nC 0.035536 nF'-nC' 0.036166
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Download Data sheet SF57HTULTRA
Article Details
SCHOTT
Article
Glass type
L
W
T
DIA
Step
nd
Step
vd
nd
vd
Weight
 
Technical Details
Refractive Indices
Characteristics λ [nm]
n2,325.4 2,325.4 1.79026
n1,970.1 1,970.1 1.79539
n1,529.6 1,529.6 1.80187
n1,060.0 1,060.0 1.81185
nt 1,014.0 1.81335
ns 852.1 1.82038
nr 706.5 1.83102
nC 656.3 1.83650
nC' 643.8 1.83808
Characteristics λ [nm]
n632.8 632.8 1.83957
nD 589.3 1.84636
nd 587.6 1.84666
ne 546.1 1.85504
nF 486.1 1.87204
nF' 480.0 1.87425
ng 435.8 1.89393
nh 404.7 1.91366
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
Internal Transmittance
Characteristics λ [nm]
τ25/2500 2,500 0.798
τ25/2325 2,325 0.835
τ25/1970 1,970 0.951
τ25/1530 1,530 0.994
τ25/1060 1,060 0.999
τ25/700 700 0.998
τ25/660 660 0.997
τ25/620 620 0.997
τ25/580 580 0.997
τ25/546 546 0.997
τ25/500 500 0.990
τ25/460 460 0.978
τ25/436 436 0.962
τ25/420 420 0.930
τ25/405 405 0.860
τ25/400 400 0.820
τ25/390 390 0.630
τ25/380 380 0.304
τ25/370 370 0.029
τ25/365 365
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 0.914
τ10/2325 2,325 0.930
τ10/1970 1,970 0.980
τ10/1530 1,530 0.998
τ10/1060 1,060 0.999
τ10/700 700 0.999
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 0.991
τ10/436 436 0.985
τ10/420 420 0.971
τ10/405 405 0.941
τ10/400 400 0.924
τ10/390 390 0.831
τ10/380 380 0.621
τ10/370 370 0.250
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
Partial Dispersion
Characteristics
Ps,t 0.1976
PC,s 0.4539
Pd,C 0.2859
Pe,d 0.2356
Pg,F 0.6160
Pi,h
P's,t 0.1942
P'C',s 0.4895
P'd,C' 0.2373
P'e,d 0.2315
P'g,F' 0.5443
P'i,h
Characteristics
ΔPC,t -0.0065
ΔPC,s -0.0046
ΔPF,e 0.0026
ΔPg,F 0.0123
ΔPi,g
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