Lenses, prisms, mirrors and other optical elements, of any material, mounted, being parts of or fittings for instruments or apparatus (excl. such elements of glass not optically worked)
Leče, prizme, zrcala in drugi optični elementi, iz kakeršnega koli materiala, montirani, ki so deli instrumentov, aparatov, razen takih optičnih neobdelanih steklenih elementov