Nikon FM3A - Page 33

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TTL flash
With the TTL flash system, the camera measures the flash of a speedlight reflected from
the subject to obtain the proper level of flash illumination.
TTL flash-exposure compensation
In flash photography when the main subject is far away or near the edge of the viewfinder
frame, overexposure may occur, as the reflected light may be insufficient. This may cause
excessive flash illumination. Flash photography with a bright background may also give
unnatural results.
Example: Before compensation
Example: After compensation
In such a situation, shooting with the TTL
flash-compensation button held pressed
can automatically reduce the level of flash
illumination for more natural and better ex-
posure results.
When the TTL flash-compensation button
is used, the illumination of the speedlight
is automatically compensated (reduced)
by 1 EV to the – side.
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• There is no indication regarding the flash-exposure compensation when you press
the TTL flash-compensation button.
• If exposure compensation is made by the camera, the level of flash illumination is
controlled by adding this compensation level.
• The flash-exposure compensation function of the speedlight is disabled in TTL
mode.