Nikon 25214 D70 User's Guide - Page 104

Flash Photography, Manual, Flash mode

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Taking Photographs-Flash Photography Flash Photography Using the Built-in Speedlight The D70 is equipped with a Guide Number 15/49 Speedlight (ISO 200, m/ ft; Guide Number at ISO 100 is 11/36). When a CPU lens is attached, the built-in Speedlight emits monitor preflashes that are analyzed using throughthe-lens (TTL) technology (i-TTL flash control). The built-in Speedlight can be used not only when natural lighting is inadequate, but also to fill in shadows and backlit subjects or to add a catch light to the subject's eyes. i-TTL Flash Control The following types of flash control are available with CPU lenses: Flash control Description i-TTL Balanced Fill-Flash for Digital SLR is selected automatically in all modes except mode M or when spot metering is selected in modes P, S, and A. Speedlight emits series of nearly invisible preflashes (monitor preflashes) immediately before main flash. Preflashes i-TTL Balanced reflected from objects in all areas of frame are picked up by 1,005Fill-Flash for pixel RGB sensor and are analyzed in combination with information Digital SLR from matrix metering system to adjust flash output for natural balance between main subject and ambient background lighting. If type G or D lens is used, distance information is included when calculating flash output. Standard i-TTL Flash for Digital SLR is activated automatically in mode M and when spot metering is selected in modes P, S, and A. Standard Flash output adjusted to ensure main subject is correctly exposed; i-TTL Flash for brightness of background is not taken into account. Recommended Digital SLR for shots in which main subject is emphasized at expense of background details, or when exposure compensation is used. When a non-CPU lens is attached, the built-in Speedlight can only be used when Manual is selected for Custom Setting 19 (Flash mode; 150). If TTL selected, the shutter release will be disabled when the built-in Speedlight is raised. The flash-ready indicator ( ) in the viewfinder and the icon and borders of the flash sync mode indicator in the control panel will blink. 19-Flash Mode ( 150) Flash mode can be selected from TTL, Manual, and Commander mode. In Manual mode, the built-in Speedlight has a Guide Number (m/ft) of 17/56 (ISO 200) or 12/39 (ISO 100). Commander mode can be used for wireless off-camera flash photography with SB-800 or SB-600 Speedlights. 94

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94
Taking Photographs—Flash Photography
The D70 is equipped with a Guide Number 15/49 Speedlight (ISO 200, m/
ft; Guide Number at ISO 100 is 11/36).
When a CPU lens is attached, the
built-in Speedlight emits monitor preflashes that are analyzed using through-
the-lens (TTL) technology (i-TTL flash control).
The built-in Speedlight can be
used not only when natural lighting is inadequate, but also to fill in shadows
and backlit subjects or to add a catch light to the subject’s eyes.
i-TTL Flash Control
The following types of flash control are available with CPU lenses:
Flash Photography
Using the Built-in Speedlight
Description
Flash control
i-TTL Balanced Fill-Flash for Digital SLR is selected automatically in all
modes except mode
M
or when spot metering is selected in modes
P
,
S
, and
A
.
Speedlight emits series of nearly invisible preflashes
(monitor preflashes) immediately before main flash.
Preflashes
reflected from objects in all areas of frame are picked up by 1,005-
pixel RGB sensor and are analyzed in combination with information
from matrix metering system to adjust flash output for natural
balance between main subject and ambient background lighting.
If type G or D lens is used, distance information is included when
calculating flash output.
i-TTL Balanced
Fill-Flash for
Digital SLR
Standard i-TTL Flash for Digital SLR is activated automatically in
mode
M
and when spot metering is selected in modes
P
,
S
, and
A
.
Flash output adjusted to ensure main subject is correctly exposed;
brightness of background is not taken into account.
Recommended
for shots in which main subject is emphasized at expense of back-
ground details, or when exposure compensation is used.
Standard
i-TTL Flash for
Digital SLR
When a non-CPU lens is attached, the built-in Speedlight can only be used
when
Manual
is selected for Custom Setting 19 (
Flash mode
;
150).
If
TTL
selected, the shutter release will be disabled when the built-in Speedlight
is raised.
The flash-ready indicator (
) in the viewfinder and the
icon and
borders of the flash sync mode indicator in the control panel will blink.
19—Flash Mode (
150)
Flash mode can be selected from
TTL
,
Manual
, and
Commander mode
.
In
Manual
mode, the built-in Speedlight has a Guide Number (m/ft) of 17/56 (ISO 200) or 12/39
(ISO 100).
Commander mode
can be used for wireless off-camera flash photography
with SB-800 or SB-600 Speedlights.