B2BCatalogSphere

b2bOpticLensCatalog→lensRanges→lensRange

step
type	B2BCatalogRefSteps
unity
occurs	0..-1
description

<xs:complexType name="B2BCatalogSphere">
  <xs:sequence>
    <xs:element default="0.25" minOccurs="0" name="step" type="B2BCatalogRefSteps"/>
  </xs:sequence>
</xs:complexType>