CF5 by Hoya

Obsolete Unknown Environmentally Dangerous

CF5 by Hoya is an obsolete optical glass. It transmits from 0.33 to 2.33 µm with an nd of 1.5231 and a Vd of 50.951831. 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) 1.5231
Abbe Number (Vd) 50.951831
Dispersion Formula Schott
Wavelength Range 0.334 — 2.325 µm
$$n(\lambda) = \sqrt{2.28053 - 0.0082884\,\lambda^2 + 0.0139727\,\lambda^{-2} + 0.000143153\,\lambda^{-4} + 2.14934 \times 10^{-5}\,\lambda^{-6} - 4.4079 \times 10^{-7}\,\lambda^{-8}}$$
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
KF5 Sumita 1.5231 50.9
KF2 Sumita 1.5263 51.0
KF9 Schott 1.523412 51.492996
N-KF9 Schott 1.52346 51.54
KZFN2 Schott 1.52944 51.626811
SSL2 Ohara 1.529441 51.722557
B29-52 Corning 1.528998 51.838713
KZF2 Sumita 1.52944 51.8
ADP Generic Birefringent 1.523454 52.25678
H-KF6 CDGM 1.51742 52.149249
Similar Glasses (Hoya)
Glass Manufacturer nd Vd Compare
CF2 Hoya 1.526296 51.046045
SBF2 Hoya 1.52944 51.643052
E-CF6 Hoya 1.51742 52.15
CF6 Hoya 1.517419 52.154512
CF4 Hoya 1.533577 51.545117
FF1 Hoya 1.511179 51.02769
SBF5 Hoya 1.521299 52.780677
E-FEL6 Hoya 1.53172 48.84
FEL6 Hoya 1.53172 48.837531
CF3 Hoya 1.51454 54.628437
Compare Glasses
    Compare Selected