TalkPhototropic shieldingCanonLegendsInfinitiesPhototropic shielding was a process that converted transparent materials into filters for intense light radiation while preserving their transparency.AppearancesStar Wars: A New Hope novelization(Unknown)UnknownUnknown(and unabridged audiobook) (First appearance, in book)Jedi's Honor(Unknown)UnknownUnknown Splinter of the Mind's Eye(Unknown)UnknownUnknown X-Wing: Wraith Squadron(Unknown)UnknownUnknown(and unabridged audiobook)