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N-SF2

Glass Code:  648338.272

“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.

optical glass klein 4zu3.jpg
Characteristics
nd 1.64769 νd 33.82
ne 1.65222 νe 33.56
nF-nC 0.019151 nF'-nC' 0.019435
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    Article Details
     
    Technical Details
    Refractive Indices
    Characteristics λ [nm]
    n2,325.4 2,325.4 1.60661
    n1,970.1 1,970.1 1.61268
    n1,529.6 1,529.6 1.61944
    n1,060.0 1,060.0 1.62738
    nt 1,014.0 1.62839
    ns 852.1 1.63282
    nr 706.5 1.63902
    nC 656.3 1.64210
    nC' 643.8 1.64298
    Characteristics λ [nm]
    n632.8 632.8 1.64380
    nD 589.3 1.64752
    nd 587.6 1.64769
    ne 546.1 1.65222
    nF 486.1 1.66125
    nF' 480.0 1.66241
    ng 435.8 1.67265
    nh 404.7 1.68273
    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 0.670
    τ25/2325 2,325 0.760
    τ25/1970 1,970 0.930
    τ25/1530 1,530 0.984
    τ25/1060 1,060 0.997
    τ25/700 700 0.987
    τ25/660 660 0.984
    τ25/620 620 0.984
    τ25/580 580 0.987
    τ25/546 546 0.986
    τ25/500 500 0.975
    τ25/460 460 0.961
    τ25/436 436 0.949
    τ25/420 420 0.926
    τ25/405 405 0.865
    τ25/400 400 0.830
    τ25/390 390 0.680
    τ25/380 380 0.400
    τ25/370 370 0.060
    τ25/365 365 0.007
    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 0.852
    τ10/2325 2,325 0.896
    τ10/1970 1,970 0.971
    τ10/1530 1,530 0.994
    τ10/1060 1,060 0.999
    τ10/700 700 0.995
    τ10/660 660 0.994
    τ10/620 620 0.994
    τ10/580 580 0.995
    τ10/546 546 0.994
    τ10/500 500 0.990
    τ10/460 460 0.984
    τ10/436 436 0.979
    τ10/420 420 0.970
    τ10/405 405 0.944
    τ10/400 400 0.928
    τ10/390 390 0.857
    τ10/380 380 0.693
    τ10/370 370 0.325
    τ10/365 365 0.132
    τ10/350 350 0.001
    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 0.2311
    PC,s 0.4848
    Pd,C 0.2918
    Pe,d 0.2364
    Pg,F 0.5950
    Pi,h
    P's,t 0.2277
    P'C',s 0.5228
    P'd,C' 0.2425
    P'e,d 0.2329
    P'g,F' 0.5267
    P'i,h
    Characteristics
    ΔPC,t 0.0106
    ΔPC,s 0.0031
    ΔPF,e 0.0012
    ΔPg,F 0.0081
    ΔPi,g