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ttl

1. Masurare a expunerii sau a cantitatii de lumina realizata prin obiectivul aparatului de fotografiat. Primele aparate TTL au fost Exacta, Contax si Practica. 2. Masurarea amplitudinii descarcarii blitului prin evaluarea luminii reflectate de film / senzor (in timpul expunerii) captata de un senzor special; cand lumina captata este estimata ca suficienta, descarcarea blitzului este oprita.

Foto-Magazin

ttl

A feature of SLR cameras, the viewfinder looks Through The Lens .
visualartcork

ttl

(Through the Lens). Used when talking about either an auto focus or auto exposure system that works “through” the camera’s lens.
allthingsphotography

ttl

(Through The Lens) An autofocus or autoexposure system that works through the camera s lens
radioshaksupport

ttl

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F/64

ttl

Through-the-lens; commonly used when referring to metering through the lens as opposed to via a separate meter. Effective for fill-flash and other tricky lighting situations
betterphotocom