Nikon D200 D200 User's Manual - Page 86

Flash Photography

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Flash Photography Using the Built-in Flash The D200 is equipped with a Guide Number 12/39 flash (ISO 100, m/ft) that 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. The built-in flash supports the following types of flash control: i-TTL Balanced Fill-Flash for Digital SLR: 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. Precision of calculation can be increased for non-CPU lenses by providing lens data (focal length and maximum aperture; 93-95). Not available when spot metering is used. Standard i-TTL Flash for Digital SLR: Flash output adjusted to bring lighting in frame to standard level; brightness of background is not taken into account. Recommended for shots in which main subject is emphasized at expense of background details, or when exposure compensation is used. Standard i-TTL flash for digital SLR is activated automatically when spot metering is selected. Reference-Flash Photography ISO Sensitivity i-TTL flash control can adjust for ISO sensitivities between 100 and 1600. It may not be able to adjust flash level appropriately for ISO sensitivities over 1600. When On is selected for Custom Setting b1 (ISO Auto; 152), ISO sensitivity will automatically be adjusted as required for optimal flash output. This may result in foreground subjects being underexposed in flash photographs taken at slow shutter speeds, in daylight, or against a bright background. In these cases, choose a flash mode other than slow sync or select mode A or M and choose a larger aperture. Using the Built-in Flash If the built-in flash is used in continuous shooting mode, only one photograph will be taken each time the shutter-release button is pressed. Vibration reduction (available with VR lenses) does not take effect if the shutter-release button is pressed halfway while the built-in flash is recharging. After the built-in flash has been used for several consecutive shots, it may turn off briefly to protect the flash. The built-in flash can be used again after a short pause. Flash Angle The flash angle of the built-in flash can cover the field of view of an 18 mm lens. It may not 76 be able to light the entire subject with some lenses or apertures ( 201).

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76
Reference—Flash Photography
The D200 is equipped with a Guide Number 12/39 flash (ISO 100, m/ft) that 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.
The built-in flash supports the following types of flash control:
i-TTL Balanced Fill-Flash for Digital SLR
: 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 combina-
tion with information from matrix metering system to adjust flash output for natural bal-
ance between main subject and ambient background lighting.
If type G or D lens is used,
distance information is included when calculating flash output.
Precision of calculation
can be increased for non-CPU lenses by providing lens data (focal length and maximum
aperture;
93 – 95).
Not available when spot metering is used.
Standard i-TTL Flash for Digital SLR
: Flash output adjusted to bring lighting in frame to stan-
dard level; brightness of background is not taken into account.
Recommended for shots
in which main subject is emphasized at expense of background details, or when exposure
compensation is used.
Standard i-TTL flash for digital SLR is activated automatically when
spot metering is selected.
Flash Photography
Using the Built-in Flash
ISO Sensitivity
i-TTL flash control can adjust for ISO sensitivities between 100 and 1600.
It may not be
able to adjust flash level appropriately for ISO sensitivities over 1600.
When
On
is selected
for Custom Setting b1 (
ISO Auto
;
152), ISO sensitivity will automatically be adjusted as
required for optimal flash output.
This may result in foreground subjects being underex-
posed in flash photographs taken at slow shutter speeds, in daylight, or against a bright
background.
In these cases, choose a flash mode other than slow sync or select mode
A
or
M
and choose a larger aperture.
Using the Built-in Flash
If the built-in flash is used in continuous shooting mode, only one photograph will be taken
each time the shutter-release button is pressed.
Vibration reduction (available with VR lenses) does not take effect if the shutter-release but-
ton is pressed halfway while the built-in flash is recharging.
After the built-in flash has been used for several consecutive shots, it may turn off
briefly to
protect the flash.
The built-in flash can be used again after a short pause.
Flash Angle
The flash angle of the built-in flash can cover the field of view of an 18 mm lens.
It may not
be able to light the entire subject with some lenses or apertures (
201).