BAF5 by Hoya

Obsolete Unknown Environmentally Dangerous

BAF5 by Hoya is an obsolete optical glass. It transmits from 0.33 to 2.33 µm with an nd of 1.607292 and a Vd of 49.336899. 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) 1.607292
Abbe Number (Vd) 49.336899
Dispersion Formula Schott
Wavelength Range 0.334 — 2.325 µm
$$n(\lambda) = \sqrt{2.53082 - 0.00754733\,\lambda^2 + 0.0189767\,\lambda^{-2} - 0.000186235\,\lambda^{-4} + 8.24682 \times 10^{-5}\,\lambda^{-6} - 3.29759 \times 10^{-6}\,\lambda^{-8}}$$
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
BAF5 Sumita 1.60729 49.3
BAM5 Ohara 1.607289 49.188575
K-SKLD310 Sumita 1.6042 48.9
K-SKLD310(M) Sumita 1.60132 49.0
C05-50 Corning 1.605004 50.419332
C0550 Corning 1.605004 50.419332
SSKN8 Schott 1.61772 49.771451
S-BSM28 Ohara 1.617722 49.815052
BSM28 Ohara 1.617722 49.83232
N-SSK8 Schott 1.61773 49.83
Similar Glasses (Hoya)
Glass Manufacturer nd Vd Compare
LAF50 Hoya 1.60199 50.21
BACED9 Hoya 1.620119 49.823001
BACED3 Hoya 1.614838 51.1513
BAF6 Hoya 1.589003 48.543984
BAF7 Hoya 1.608013 46.212035
BAF8 Hoya 1.623739 47.054197
E-BAF8 Hoya 1.62374 47.05
BACED2 Hoya 1.6223 53.11226
BAFL6 Hoya 1.589036 52.935166
BAF3 Hoya 1.58267 46.462286
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