SBF5 by Hoya

Obsolete Unknown Environmentally Dangerous

SBF5 by Hoya is an obsolete optical glass. It transmits from 0.33 to 2.33 µm with an nd of 1.521299 and a Vd of 52.780677. It has dangerous environmental properties.

Refractive Index vs Wavelength
Refractive Index Calculator
Valid range: 0.334–2.325 µm
dn/dλ vs Wavelength
dn/dλ Calculator
Valid range: 0.334–2.325 µm
Abbe Number Calculator
Transmission vs Wavelength

No transmission data available.

Transmission Calculator
Valid wavelength range: 0.334–2.325 µm
Optical Properties
Refractive Index (nd) 1.521299
Abbe Number (Vd) 52.780677
Dispersion Formula Schott
Wavelength Range 0.334 — 2.325 µm
$$n(\lambda) = \sqrt{2.27851 - 0.010327\,\lambda^2 + 0.0126296\,\lambda^{-2} + 0.000379518\,\lambda^{-4} - 1.96765 \times 10^{-5}\,\lambda^{-6} + 1.57538 \times 10^{-6}\,\lambda^{-8}}$$
Thermal Properties
TCE -30/70°C (10-6/K) —
TCE 100/300°C (10-6/K) —
Thermal Conductivity (W/mK) —
Heat Capacity (J/gK) —
$$\frac{dn}{dT} = \frac{n_0^2 - 1}{2\,n_0}\left[0 + 2(0)\,\Delta T + 3(0)\,\Delta T^2 + \frac{0 + 2(0)\,\Delta T}{\lambda - 0}\right] \Delta T = T - T_0, \quad T_0 = 25\,°\text{C}$$
Physical Properties
Density (g/cm³) —
Relative Cost —
Mechanical Properties
Young's Modulus (GPa) —
Poisson's Ratio —
Knoop Hardness (kgf/mm²) —
Chemical Resistance
Climatic Resistance —
Stain Resistance —
Acid Resistance —
Alkali Resistance —
Phosphate Resistance —
Similar Glasses (Other Manufacturers)
Glass Manufacturer nd Vd Compare
SSL5 Ohara 1.521299 52.553447
ADP Generic Birefringent 1.523454 52.25678
S-NSL36 Ohara 1.517417 52.430903
NSL36 Ohara 1.517417 52.412251
KF6 Schott 1.517421 52.200088
KF6 Sumita 1.51742 52.2
H-KF6 CDGM 1.51742 52.149249
N-KF9 Schott 1.52346 51.54
KF9 Schott 1.523412 51.492996
B29-52 Corning 1.528998 51.838713
Similar Glasses (Hoya)
Glass Manufacturer nd Vd Compare
CF6 Hoya 1.517419 52.154512
E-CF6 Hoya 1.51742 52.15
SBF2 Hoya 1.52944 51.643052
CF5 Hoya 1.5231 50.951831
CF2 Hoya 1.526296 51.046045
CF3 Hoya 1.51454 54.628437
CF4 Hoya 1.533577 51.545117
FF1 Hoya 1.511179 51.02769
C2 Hoya 1.51602 56.771193
E-FEL6 Hoya 1.53172 48.84
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