<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31444796</termId><termName>focusing backs</termName><termType>PT</termType><termNote><![CDATA[ Removable or fixed camera backs that incorporate a ground glass (or plastic) screen on which an image projected from a lens is brought into focus. This is then removed, or a film holder is inserted in front of this to make an exposure. ]]></termNote><termCreatedDate>2026-03-30 20:59:48</termCreatedDate><relation><relationType>UF</relationType><termId>31444797</termId><termName>focusing back</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31420414</termId><termName>camera accessories</termName><termType>PT</termType></relation></term>  </Zthes>