EntityQ219346· pop 29· linked from 1 articlesTTLSign in to saveTTL may refer to:Article3 sectionsContentsPhotographyTechnologyOther usesTTL may refer to:==Photography== Through-the-lens metering, a camera feature Zenit TTL, an SLR film camera named for its TTL metering capabilityRead full article (4 paragraphs)Connectionstransistor–transistor logicEntitytime to liveEntity