ADF50 by Hoya

Obsolete Unknown Environmentally Dangerous

ADF50 by Hoya is an obsolete optical glass. It transmits from 0.34 to 0.70 µm with an nd of 1.654118 and a Vd of 39.624202. It has below average chemical resistance and dangerous environmental properties.

Refractive Index vs Wavelength
Refractive Index Calculator
Valid range: 0.25–1.55 µm
dn/dλ vs Wavelength
dn/dλ Calculator
Valid range: 0.25–1.55 µm
Abbe Number Calculator
Transmission vs Wavelength
Transmission Calculator
Valid wavelength range: 0.340–0.700 µm
Optical Properties
Refractive Index (nd) 1.654118
Abbe Number (Vd) 39.624202
Dispersion Formula Schott
Wavelength Range 0.25 — 1.55 µm
$$n(\lambda) = \sqrt{2.67 - 0.0139286\,\lambda^2 + 0.0223665\,\lambda^{-2} + 0.000752715\,\lambda^{-4} - 1.76234 \times 10^{-5}\,\lambda^{-6} + 3.42589 \times 10^{-6}\,\lambda^{-8}}$$
Thermal Properties
TCE -30/70°C (10-6/K) —
TCE 100/300°C (10-6/K) 55.0
Thermal Conductivity (W/mK) —
Heat Capacity (J/gK) —
$$\frac{dn}{dT} = \frac{n_0^2 - 1}{2\,n_0}\left[0 + 2(0)\,\Delta T + 3(0)\,\Delta T^2 + \frac{0 + 2(0)\,\Delta T}{\lambda - 0}\right] \Delta T = T - T_0, \quad T_0 = 20\,°\text{C}$$
Physical Properties
Density (g/cm³) 3.48
Relative Cost —
Mechanical Properties
Young's Modulus (GPa) —
Poisson's Ratio —
Knoop Hardness (kgf/mm²) —
Chemical Resistance
Climatic Resistance 3
Stain Resistance —
Acid Resistance 5
Alkali Resistance —
Phosphate Resistance —
Similar Glasses (Other Manufacturers)
Glass Manufacturer nd Vd Compare
KZFSN5 Schott 1.65412 39.63
S-NBH5 Ohara 1.654115 39.682794
BPH5 Ohara 1.654115 39.687638
N-KZFS5 Schott 1.65412 39.7
H-TF5 CDGM 1.6541 39.539424
C55-40 Corning 1.6555 40.115717
BAH30 Ohara 1.650158 39.390461
BASF10 Sumita 1.65016 39.3
C51-39 Corning 1.650206 39.193419
BASF10 Schott 1.65016 39.148818
Similar Glasses (Hoya)
Glass Manufacturer nd Vd Compare
E-ADF50 Hoya 1.65412 39.62
NBFD38 Hoya 1.65253 39.48
BAFD10 Hoya 1.650157 39.343065
BAFD4 Hoya 1.651278 38.312578
ATF2 Hoya 1.65052 38.036939
ADF355 Hoya 1.6445 40.762285
BAFD6 Hoya 1.66755 41.933458
ADF405 Hoya 1.6765 37.477902
BAFD1 Hoya 1.626057 39.085725
BAFD2 Hoya 1.664457 35.887705
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