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AUsing FV Lock with the Built-in Flash
FV lock is only available with the built-in flash when TTL is selected for
Custom Setting e3 (Flash cntrl for built-in flash, 0301).
AUsing FV Lock with Optional Flash Units
FV lock is also available with optional flash units in TTL and (where
supported) monitor pre-flash AA and monitor pre-flash A flash control
modes. Note that when commander mode is selected for Custom
Setting e3 (Flash cntrl for built-in flash, 0301), you will need to set
the flash control mode for the master or at least one remote group to
TTL or AA.
AMetering
The metering areas for FV lock when using optional flash unit are as
follows:
Flash unit Flash mode Metered area
Stand-alone flash unit
i-TTL 6-mm circle in center of frame
AA Area metered by flash exposure
meter
Used with other flash
units (Advanced
Wireless Lighting)
i-TTL Entire frame
AA Area metered by flash exposure
meter
A (master
flash)
ASee Also
For information on using the depth-of-field preview button or AAE-L/
AF-L button for FV lock, see Custom Setting f5 (Assign preview button,
0315) or Custom Setting f6 (Assign AE-L/AF-L button, 0315).