164
L
Choose the flash mode for the built-in flash in
P
,
S
,
A
, and
M
modes.
e: Bracketing/Flash
e1: Flash Cntrl for Built-in Flash
G
button
➜
A
Custom Settings menu
Option
Description
1
TTL
Flash output is adjusted automatically in response to shooting conditions.
2
Manual
Choose a flash level between
Full
and
1/32
(
1
/
32
of full power). At full power,
the built-in flash has a Guide Number of 13/43 (m/ft., ISO 100, 20 °C/68 °F).
A
Manual
A
Y
icon blinks in the viewfinder and information display when
Manual
is selected and the flash is raised.
A
The SB-400
When an optional SB-400 flash unit (
0
202) is attached and turned
on,
Flash cntrl for built-in flash
changes to
Optional flash
, allowing
the flash control mode for the SB-400 to be selected from
TTL
and
Manual
.
A
Flash Control
The following types of flash control are supported when a CPU lens is used in combination
with the built-in flash or optional SB-900, SB-800, SB-700, SB-600, and SB-400 flash units.
•
i-TTL Balanced Fill-Flash for Digital SLR
: Information from the 420-pixel RGB sensor is used to
adjust flash output for a natural balance between the main subject and the background.
•
Standard i-TTL Fill-Flash for Digital SLR
: Flash output is adjusted for the main subject; the
brightness of the background is not taken into account. Recommended for shots in which
the main subject is emphasized at the expense of background details, or when exposure
compensation is used.
Standard i-TTL flash control is used with spot metering or when selected with the optional
flash unit. i-TTL balanced fill-flash for digital SLR is used in all other cases.
Summary of Contents for D5100
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