6Take the photograph.

Press the shutter-release button the rest of the way down to shoot. If desired, additional pictures can be taken without releasing FV lock.

7Release FV lock.

Press the Fn button to release FV lock and confirm that the ricon is no longer displayed in viewfinder.

DUsing FV Lock with the Built-in Flash

When the built-in flash is used alone, FV lock is only available if TTL (the default setting) is selected for Custom Setting e2 (Flash cntrl for built-in flash; pg. 185).

AUsing FV Lock with Optional Flash Units

In addition to the built-in flash, FV lock is 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 e2 (Flash cntrl for built-in flash, pg. 185), 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.

L

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Nikon D90 user manual Release FV lock, 199, Using FV Lock with the Built-in Flash, Using FV Lock with Optional Flash Units