FLASH

FLASH — Four Segment Flash Metering

Four segment flash metering uses data from the focus sensors to control the output of the built-in and/or attached accessory flashes.

4-Segment Flash Metering

All four segments are used to meter the flash, but

Conventional Flash weighting is heaviest on the segment containing the active focus sensor. Weighting varies with subject magnification and the distance between the subject and the background.

The TTL flash metering system determines the flash

 

 

 

 

 

 

 

FLASH

exposure of the area inside the selected focus area

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

after the shutter has been released.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

• Average flash metering is set instead of 4-segment flash

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

metering when the 2 second self-timer or rear-flash sync

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

are selected or when the depth-of-field preview button is

 

 

 

 

 

 

 

 

held when the shutter is released.

 

Maxxum/Program Flash 5400HS Note

When used with the 5400HS, a preflash is fired before the main exposure. The preflash is metered (14 segment) and fed back to the flash exposure system to more accurately determine the flash exposure.

•The 5400HS will not fire a preflash if does not appear in the flash data panel or when rear flash sync, wireless flash, or the 2 second self timer are selected.

•Flash and color meters cannot meter the flash when the high-speed sync indicator appears in the flash data panel.

Custom Function Notes

Select setting 2 to meter all segments evenly. Switch to setting 3 to spot meter your flash exposures (p.102).

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