Nikon D300 D300 User's Manual - Page 206
Using FV Lock with the Built-in Flash, Using FV Lock with Optional Flash Units, Metering, See Also
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D Using FV Lock with the Built-in Flash FV lock is only available with the built-in flash when [TTL] (the default option) is selected for Custom Setting e3 ([Flash cntrl for built-in flash], pg. 291). A Using FV Lock with Optional Flash Units FV lock is also available with SB-900, SB-800, SB-600, SB-400, and SB-R200 flash units (available separately). Set the optional flash to TTL mode (the SB-900 and SB-800 can also be used in AA mode; see the flash manual for details). While FV lock is in effect, flash output will automatically be adjusted for changes in flash zoom head position. When Commander mode is selected for Custom Setting e3 ([Flash cntrl for built-in flash], pg. 291), FV lock can be used with remote SB-900, SB-800, SB-600, or SB-R200 flash units if (a) any of the built-in flash, flash group A, or flash group B is in TTL mode, or (b) a flash group is composed entirely of SB-900 and SB-800 flash units in TTL or AA mode. A Metering The metering areas for FV lock when using optional speedlight are as follows: Speedlight Flash mode Metered area l Stand-alone flash unit i-TTL AA 4-mm circle in center of frame Area metered by flash exposure meter Used with other flash i-TTL Entire frame units (Advanced AA Area metered by flash exposure Wireless Lighting) A (master flash) meter A See Also For information on using the depth-of-field preview or AE-L/AF-L button for FV lock, see Custom Setting f5 ([Assign preview button], pg. 305) or Custom Setting f6 ([Assign AE-L/AF-L button], pg. 306). 180