N-BK10

Glass Code:  498670.239

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

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

Compare glass types with our Interactive Abbe Diagram.

optical glass klein 4zu3.jpg
Characteristics
nd 1.49782 νd 66.95
ne 1.49960 νe 66.78
nF-nC 0.007435 nF'-nC' 0.007481
Select product
SCHOTT Article
    $00.00
    Need help or a quote?
    CONTACT OUR SUPPORT
    Article Details
     
    Technical Details
    Refractive Indices
    Characteristics λ [nm]
    n2,325.4 2,325.4 1.47060
    n1,970.1 1,970.1 1.47647
    n1,529.6 1,529.6 1.48252
    n1,060.0 1,060.0 1.48827
    nt 1,014.0 1.48887
    ns 852.1 1.49127
    nr 706.5 1.49419
    nC 656.3 1.49552
    nC' 643.8 1.49589
    Characteristics λ [nm]
    n632.8 632.8 1.49623
    nD 589.3 1.49775
    nd 587.6 1.49782
    ne 546.1 1.49960
    nF 486.1 1.50296
    nF' 480.0 1.50337
    ng 435.8 1.50690
    nh 404.7 1.51014
    ni 365.0 1.51561
    Characteristics λ [nm]
    n334.1 334.1 1.52144
    n312.6 312.6 1.52674
    n296.7 296.7 1.53151
    n280.4 280.4
    n248.3 248.3
    Internal Transmittance
    Characteristics λ [nm]
    τ25/2500 2,500 0.470
    τ25/2325 2,325 0.710
    τ25/1970 1,970 0.950
    τ25/1530 1,530 0.980
    τ25/1060 1,060 0.996
    τ25/700 700 0.995
    τ25/660 660 0.993
    τ25/620 620 0.992
    τ25/580 580 0.993
    τ25/546 546 0.993
    τ25/500 500 0.991
    τ25/460 460 0.990
    τ25/436 436 0.989
    τ25/420 420 0.989
    τ25/405 405 0.990
    τ25/400 400 0.990
    τ25/390 390 0.989
    τ25/380 380 0.985
    τ25/370 370 0.986
    τ25/365 365 0.986
    τ25/350 350 0.978
    τ25/334 334 0.947
    τ25/320 320 0.860
    τ25/310 310 0.710
    τ25/300 300 0.420
    τ25/290 290 0.110
    τ25/280 280
    τ25/270 270
    τ25/260 260
    τ25/250 250
    Characteristics λ [nm]
    τ10/2500 2,500 0.739
    τ10/2325 2,325 0.872
    τ10/1970 1,970 0.980
    τ10/1530 1,530 0.992
    τ10/1060 1,060 0.998
    τ10/700 700 0.998
    τ10/660 660 0.997
    τ10/620 620 0.997
    τ10/580 580 0.997
    τ10/546 546 0.997
    τ10/500 500 0.996
    τ10/460 460 0.996
    τ10/436 436 0.996
    τ10/420 420 0.996
    τ10/405 405 0.996
    τ10/400 400 0.996
    τ10/390 390 0.996
    τ10/380 380 0.994
    τ10/370 370 0.994
    τ10/365 365 0.994
    τ10/350 350 0.991
    τ10/334 334 0.978
    τ10/320 320 0.941
    τ10/310 310 0.872
    τ10/300 300 0.707
    τ10/290 290 0.414
    τ10/280 280 0.123
    τ10/270 270 0.010
    τ10/260 260
    τ10/250 250
    Partial Dispersion
    Characteristics
    Ps,t 0.3224
    PC,s 0.5716
    Pd,C 0.3093
    Pe,d 0.2387
    Pg,F 0.5303
    Pi,h 0.7360
    P's,t 0.3204
    P'C',s 0.6174
    P'd,C' 0.2580
    P'e,d 0.2373
    P'g,F' 0.4716
    P'i,h 0.7315
    Characteristics
    ΔPC,t 0.0314
    ΔPC,s 0.0126
    ΔPF,e -0.0012
    ΔPg,F -0.0008
    ΔPi,g 0.0091