<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31301855</termId><termName>halation</termName><termType>PT</termType><termNote><![CDATA[ In photography, refers to the usually unintended optical effect caused by reflected light at the time of initial film exposure, or the resulting halo surrounding the boundaries of light-emitting or reflecting sources in the image printed from this film. Modern photographic films are coated with an 'anti-halation layer' to prevent this effect. ]]></termNote><termCreatedDate>2026-03-30 20:21:08</termCreatedDate><relation><relationType>BT</relationType><termId>31298256</termId><termName>conditions and effects for photography</termName><termType>PT</termType></relation><relation><relationType>BT</relationType><termId>31340547</termId><termName>photographic processing and presentation techniques</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>31326339</termId><termName>photographs</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>31344147</termId><termName>photographic film</termName><termType>PT</termType></relation></term>  </Zthes>