Kodak DCS 500 Series User Manual page 170

What is TTL?
TTL (Through-The-Lens) is the standard flash exposure control mode for Speedlites
480EG, 200E, 160E and Macro Ring Lite ML-3 when used with the DCS 500 Series
camera. Additionally, TTL is available with Speedlite 540EZ in all camera exposure
modes except for direct flash in Program mode, as shown in the following table. TTL is
identical to A-TTL in almost every way, except there is no preflash. When the camera is
set to Program mode, TTL flash sets an aperture based on a program line that responds to
the ambient light level.
The availability of A-TTL or TTL depends on the user's choice of Speedlite, camera
exposure mode, and whether or not the Speedlite is set for direct flash as follows:
Availability of A-TTL and TTL according to Speedlite with DCS 500 Series camera
Camera Exposure Mode -->
Speedlite Flash Mode
540EZ Direct Flash
Bounce Flash
430EZ* Direct Flash
Bounce Flash
420EZ* Direct Flash
Bounce Flash
300EZ* Direct Flash
480EG Direct Flash
Bounce Flash
200E Direct Flash
160E* Direct Flash
ML-3 Direct Flash
300TL** Direct Flash
Bounce Flash
*Indicates discontinued product as of 1/98.
**When using Speedlite 300TL, set the Flash Mode button to a position other than MHi or
MLo for TTL automatic flash exposure.
Program Shutter-
priority
A-TTL TTL
TTL TTL
A-TTL A-TTL
A-TTL A-TTL
A-TTL A-TTL
A-TTL A-TTL
A-TTL A-TTL
TTL TTL
TTL TTL
TTL TTL
TTL TTL
TTL TTL
TTL TTL
TTL TTL
Aperture- Manual
priority
TTL TTL
TTL TTL
A-TTL TTL
A-TTL TTL
A-TTL TTL
A-TTL TTL
A-TTL TTL
TTL TTL
TTL TTL
TTL TTL
TTL TTL
TTL TTL
TTL TTL
TTL TTL
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