<?xml version="1.0"?>
<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"
            targetNamespace="http://www.camera.org"
            xmlns="http://www.camera.org"
            xmlns:nikon="http://www.nikon.com"
            xmlns:olympus="http://www.olympus.com"
            xmlns:pentax="http://www.pentax.com"
            elementFormDefault="qualified">
    <xsd:import namespace="http://www.nikon.com"
                schemaLocation="Nikon.xsd"/>
    <xsd:import namespace="http://www.olympus.com"
                schemaLocation="Olympus.xsd"/>
    <xsd:import namespace="http://www.pentax.com"
                schemaLocation="Pentax.xsd"/>
    <xsd:element name="camera">
        <xsd:complexType>
             <xsd:sequence>
                 <xsd:element name="body" type="nikon:body_type"/>
                 <xsd:element name="lens" type="olympus:lens_type"/>
                 <xsd:element name="manual_adapter" type="pentax:manual_adapter_type"/>
            </xsd:sequence>
        </xsd:complexType>
    </xsd:element>
</xsd:schema>

