# this file is part of refractiveindex.info database
# refractiveindex.info database is in the public domain
# copyright and related rights waived via CC0 1.0

REFERENCES: "<a href=\"http://refractiveindex.info/download/data/2017/hoya_2017-04-01.agf\">HOYA Zemax catalog 2017-04-01</a> (obtained from <a href=\"http://www.hoya-opticalworld.com/english/datadownload/\">http://www.hoya-opticalworld.com</a>)"
COMMENTS: "Not in a position to accept new order because of discontinuation."
DATA:
  - type: formula 3 
    range: 0.36501 1.01398
    coefficients: 3.2191571 -0.015310562 2 0.02636257 -2 0.0010534452 -4 -6.1660412e-05 -6 3.9733897e-06 -8
  - type: tabulated k
    data: |
        0.300 9.3393E-06
        0.310 6.9404E-06
        0.320 4.2290E-06
        0.330 2.8330E-06
        0.340 1.8218E-06
        0.350 1.1573E-06
        0.360 7.4875E-07
        0.370 4.4408E-07
        0.380 2.5214E-07
        0.390 1.7228E-07
        0.400 1.1671E-07
        0.420 5.0514E-08
        0.440 3.1655E-08
        0.460 1.4672E-08
        0.480 1.5310E-08
        0.500 1.1955E-08
        0.550 1.7542E-08
        0.600 3.3540E-08
        0.650 2.0732E-08
        0.700 1.6736E-08
SPECS:
    n_is_absolute: false
    λ_is_vacuum: false
    temperature: 20.0 °C
    coefficients_of_thermal_dispersion: 4.56416e-06 0.0 0.0 0.0 0.0 0.0
    n_d: 1.81600
    V_d: 46.57
    glass_code: 816466
    glass_status: special
    density: 5.06 g/cm<sup>3</sup>
    coefficient_of_thermal_expansion_1: 6.3e-06 K<sup>-1</sup>
    coefficient_of_thermal_expansion_2: 7.7e-06 K<sup>-1</sup>
    ΔP_gF: -0.0083
    climatic_resistance: 1.0
    stain_resistance: 2.0
    acid_resistance: 3.0
