BSIS014490-3:2021 BSl Standards Publication Optics and photonics Test methods for telescopic systems Part 3: Test methods for telescopic sights bsi. BSIS014490-3:2021 BRITISH STANDARD National foreword This British Standard is the UK implementation of IS0 14490-3:2021. It supersedes BSIS0 14490-3:2016, which is withdrawn TheUKparticipationinitspreparation was entrustedtoTechnical CommitteeCPW/172,OpticsandPhotonics. A list of organizations represented on this committee can be obtained on requestto its committee manager. Contractualandlegalconsiderations This publication has been prepared in good faith, however no representation, warranty, assurance or undertaking (express or implied) is or will bemade, and no responsibility or liability is or will be reasonableness of this publication. All and any such responsibility and liability is expresslydisclaimed tothe full extent permitted by the law. This publication is provided as is, and is to be used at the recipient's own risk. The recipient is advised to consider seeking professional guidance with respectto itsuse ofthispublication. This publication is not intended to constitute a contract. Users are responsible for its correctapplication. @TheBritishStandardsInstitution2021 Published byBSI StandardsLimited 2021 ISBN9780539051643 ICS 37.020 Compliancewith aBritish Standard cannot confer immunityfrom legalobligations. This British Standard was published under the authority of the StandardsPolicyand StrategyCommitteeon31March2021. Amendments/corrigendaissued sincepublication Date Textaffected BSISO14490-3:2021 ISO INTERNATIONAL STANDARD 14490-3 Third edition 2021-03-23 Optics and photonics Test methods for telescopic systems - Part 3: Test methods for telescopic sights Optique etphotonique-Methodes d'essai pour systemes telescopiques- Partie3:Méthodes d'essaipour viseurs de tir Reference number ISO 14490-3:2021(E) ISO @IS0 2021