M-BACD12 by Hoya
Preferred
Very Common
Precision Molding
Environmentally Friendly
Refractive Index vs Wavelength
Refractive Index Calculator
dn/dλ vs Wavelength
dn/dλ Calculator
Abbe Number Calculator
Transmission vs Wavelength
Transmission Calculator
Optical Properties
| Refractive Index (nd) | 1.58313 |
|---|---|
| Abbe Number (Vd) | 59.46 |
| Dispersion Formula | Schott |
| Wavelength Range | 0.36501 — 1.5296 µm |
$$n(\lambda) = \sqrt{2.46878 - 0.0106264\,\lambda^2 + 0.0132518\,\lambda^{-2} + 0.000404861\,\lambda^{-4} - 2.9748 \times 10^{-5}\,\lambda^{-6} + 1.82588 \times 10^{-6}\,\lambda^{-8}}$$
Thermal Properties
| TCE -30/70°C (10-6/K) | 6.9 |
|---|---|
| TCE 100/300°C (10-6/K) | 9.0 |
| Thermal Conductivity (W/mK) | — |
| Heat Capacity (J/gK) | — |
$$\frac{dn}{dT} = \frac{n_0^2 - 1}{2\,n_0}\left[3.36 \times 10^{-6} + 2(1.02 \times 10^{-8})\,\Delta T + 3(-4.81 \times 10^{-11})\,\Delta T^2 + \frac{6.1 \times 10^{-7} + 2(6.81 \times 10^{-10})\,\Delta T}{\lambda - 4.77 \times 10^{-9}}\right]
\Delta T = T - T_0, \quad T_0 = 23\,°\text{C}$$
Physical Properties
| Density (g/cm³) | 3.01 |
|---|---|
| Relative Cost | — |
Mechanical Properties
| Young's Modulus (GPa) | — |
|---|---|
| Poisson's Ratio | — |
| Knoop Hardness (kgf/mm²) | — |
Chemical Resistance
| Climatic Resistance | 1 |
|---|---|
| Stain Resistance | 3 |
| Acid Resistance | 3 |
| Alkali Resistance | — |
| Phosphate Resistance | — |
Notes
Glass for molded optics lens
Similar Glasses (Other Manufacturers)
| Glass | Manufacturer | nd | Vd | |
|---|---|---|---|---|
| H-ZK2 | CDGM | 1.58313 | 59.460082 | |
| SK12 | Schott | 1.583131 | 59.448822 | |
| L-BAL42 | Ohara | 1.583126 | 59.385694 | |
| D-ZK2 | CDGM | 1.58313 | 59.381686 | |
| D-ZK2A | CDGM | 1.58313 | 59.539751 | |
| S-BAL42 | Ohara | 1.583126 | 59.374673 | |
| BAL42 | Ohara | 1.583126 | 59.373789 | |
| D-ZK2A-25 | CDGM | 1.58229 | 59.453631 | |
| K-SKLD120(M) | Sumita | 1.58401 | 59.5 | |
| SK12 | Sumita | 1.58313 | 59.3 |
Similar Glasses (Hoya)
| Glass | Manufacturer | nd | Vd | |
|---|---|---|---|---|
| MC-BACD12 | Hoya | 1.58313 | 59.46 | |
| MP-BACD12 | Hoya | 1.58313 | 59.46 | |
| BACD12 | Hoya | 1.583129 | 59.459639 | |
| BACD13 | Hoya | 1.59181 | 58.308789 | |
| FCD600 | Hoya | 1.5941 | 60.47 | |
| BACD5 | Hoya | 1.58913 | 61.25 | |
| MC-BACD5N | Hoya | 1.58913 | 61.25 | |
| MP-BACD5N | Hoya | 1.58913 | 61.25 | |
| M-BACD5N | Hoya | 1.58913 | 61.25 | |
| BAC1 | Hoya | 1.572497 | 57.488684 |