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Detailed operation
TTL/D-TTL auto flash mode
The SB-80DX’s TTL/D-TTL auto flash mode varies, depending on the cameras
and lenses in use or the camera’s exposure mode and metering system. For
details, refer to “Usable cameras compatible with the TTL/D-TTL auto flash
mode” (p. 36) and your camera’s instruction manual.
DE3D Multi-Sensor Balanced Fill-Flash/
CDE3D Multi-Sensor Balanced Fill-Flash for Digital SLRs
Information obtained by the Monitor Preflashes, exposure control information,
and distance information from a D- or G-type lens are integrated to
automatically adjust the flash output level to obtain a well-balanced exposure of
the main subject and background.
DE Multi-Sensor Balanced Fill-Flash/
CDE Multi-Sensor Balanced Fill-Flash for Digital SLRs
Information obtained by the Monitor Preflashes and exposure control
information is integrated to automatically adjust the flash output level for a
well-balanced exposure of the main subject and background.
DF Matrix Balanced Fill-Flash
Exposure control information obtained by the camera’s Matrix meter is used to
automatically adjust the flash output level for a well-balanced exposure of
the main subject and background.
DF Center-Weighted Fill-Flash/Spot Fill-Flash
Exposure control information with Center-Weighted or Spot Metering is used to
adjust the flash output for a natural fill-flash effect.
CDF Center-Weighted Fill-Flash for Digital SLRs
Exposure control information with Center-Weighted Metering is used to adjust
the flash output for a natural fill-flash effect.
D Standard TTL Flash/
C
D Standard TTL Flash for Digital SLRs
The main subject is correctly exposed regardless of the background
brightness. Useful when you want to highlight the main subject.
lBalancing the exposure for the main subject and background
m The degree of exposure balance for the main subject and the background varies as the type of TTL auto
flash mode changes. The most well-balanced TTL auto flash exposure is obtained when using 3D
Multi-Sensor Balanced Fill-Flash and decreases through Multi-Sensor Balanced Fill-Flash, Matrix
Balanced Fill-Flash, Center-Weighted/Spot Fill-Flash, down to Standard TTL Flash in that order.
m The above description is applicable to the D-TTL auto flash mode.
lMonitor Preflashes
m Monitor Preflashes are available in Automatic Balanced Fill-Flash with TTL Multi-Sensor and all flash
modes in D-TTL auto flash to determine the condition of the subject. After you press the shutter release
button and just before the shutter opens, the SB-80DX fires a series of imperceptible preflashes that are
detected by the camera’s TTL Multi-Sensor and analyzed for brightness and contrast. (Please note that
Monitor Preflashes are fired instantaneously and cannot be differentiated from the main flash.)
m To cancel Monitor Preflashes, see page 74.