B2BCatalogRefractionStep

b2bOpticLensCatalog→lensRanges→lensRange→refractions→steps
b2bOpticLensCatalog→lensRanges→lensRange→refractions→steps
b2bOpticLensCatalog→lensRanges→lensRange→refractions→steps
b2bOpticLensCatalog→lensRanges→lensRange→refractions→steps

values	description
1.0
0.5
0.25	(in SF6 it was 4)
0.125
0.01

<xs:simpleType name="B2BCatalogRefractionStep">
  <xs:restriction base="xs:decimal">
    <xs:enumeration value="1.0"/>
    <xs:enumeration value="0.5"/>
    <xs:enumeration value="0.25"/>
    <xs:enumeration value="0.125"/>
    <xs:enumeration value="0.01"/>
  </xs:restriction>
</xs:simpleType>