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N-BAK2  540597.286

optical glass klein 4zu3.jpg

“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.

Characteristics
nd 1.53996 νd 59.71
ne 1.54212 νe 59.44
nF-nC 0.009043 nF'-nC' 0.009120
Glass type
Article L
W
T
DIA
nd
vd
STEP
nd
STEP
vd
Weight
Characteristics λ [nm]
n2,325.4 2,325.4 1.51387
n1,970.1 1,970.1 1.51871
n1,529.6 1,529.6 1.52385
n1,060.0 1,060.0 1.52919
nt 1,014.0 1.52980
ns 852.1 1.53234
nr 706.5 1.53564
nC 656.3 1.53721
nC' 643.8 1.53765
Characteristics λ [nm]
n632.8 632.8 1.53806
nD 589.3 1.53988
nd 587.6 1.53996
ne 546.1 1.54212
nF 486.1 1.54625
nF' 480.0 1.54677
ng 435.8 1.55117
nh 404.7 1.55525
ni 365.0 1.56221
Characteristics λ [nm]
n334.1 334.1 1.56971
n312.6 312.6 1.57660
n296.7 296.7 1.58287
n280.4 280.4
n248.3 248.3
Characteristics λ [nm]
τ25/2500 2,500 0.500
τ25/2325 2,325 0.630
τ25/1970 1,970 0.850
τ25/1530 1,530 0.984
τ25/1060 1,060 0.997
τ25/700 700 0.996
τ25/660 660 0.995
τ25/620 620 0.994
τ25/580 580 0.995
τ25/546 546 0.995
τ25/500 500 0.994
τ25/460 460 0.992
τ25/436 436 0.992
τ25/420 420 0.993
τ25/405 405 0.993
τ25/400 400 0.993
τ25/390 390 0.992
τ25/380 380 0.990
τ25/370 370 0.989
τ25/365 365 0.986
τ25/350 350 0.971
τ25/334 334 0.910
τ25/320 320 0.700
τ25/310 310 0.400
τ25/300 300 0.100
τ25/290 290
τ25/280 280
τ25/270 270
τ25/260 260
τ25/250 250
Characteristics λ [nm]
τ10/2500 2,500 0.758
τ10/2325 2,325 0.831
τ10/1970 1,970 0.937
τ10/1530 1,530 0.994
τ10/1060 1,060 0.999
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 0.998
τ10/460 460 0.997
τ10/436 436 0.997
τ10/420 420 0.997
τ10/405 405 0.997
τ10/400 400 0.997
τ10/390 390 0.997
τ10/380 380 0.996
τ10/370 370 0.996
τ10/365 365 0.994
τ10/350 350 0.988
τ10/334 334 0.963
τ10/320 320 0.867
τ10/310 310 0.693
τ10/300 300 0.398
τ10/290 290 0.158
τ10/280 280 0.040
τ10/270 270
τ10/260 260
τ10/250 250
Characteristics
Ps,t 0.2810
PC,s 0.5382
Pd,C 0.3042
Pe,d 0.2385
Pg,F 0.5437
Pi,h 0.7695
P's,t 0.2787
P'C',s 0.5817
P'd,C' 0.2536
P'e,d 0.2364
P'g,F' 0.4826
P'i,h 0.7630
Characteristics
ΔPC,t -0.0089
ΔPC,s -0.0039
ΔPF,e 0.0004
ΔPg,F 0.0004
ΔPi,g -0.0027