D-TTL - What does D-TTL stand for? The Free Dictionary
References in periodicals archive
A top shutter speed of 1/4000 second, a high-performance built-in speedlight with D-TTL
flash control and a flash sync speed of up to 1/180 second offer convenience with impressive results.
D-TTL Exposure Metering System: The FinePix S3 Pro offers
Intelligent Flash with the D-TTL full-aperture exposure