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I
don't have a D70, which is why I said "if it has it." When I got up
this morning I realized that the D70 almost certainly does not have AA
mode, since - duh - that would require an external sensor on the popup
flash. (And a check of my D100 manual confirms that at least that
camera does not.) To explain: I
have an SB-800 and an SB-20 that I put on an SU-4 remote. To make the
SB20+SU4 work correctly with a digital body, one has to suppress the
preflash, whether this is from the D100/D70's internal flash or from an
SB800 mounted on the shoe. Usually I need only one remote, so I put the
SB800 on the shoe. To get the SB-800 not to preflash, I put it in AA
mode, and set the SB-20 to A. Since I do this for real estate, usually
in larger homes, the SB-20 is usually lighting the background while the
SB-800 is lighting the foreground, and I am almost always using 15-18mm
focal lengths. That means that the two flash sensors are looking at
different areas, and are pretty much operating on independent exposure. When
I said that this (AA + A/SU4) is easier, I meant than doing it the
manual way (ie setting manual flash power on each flash head). This
scheme certainly works OK for real estate, where nothing is moving and
I'm basically just trying to fill in the background of an otherwise
underillumuinated area, but I can imagine that it's a hassle with other
types of work where the flashes are really illuminating a common
subject from different angles. I
only have the one CLS flash, but if I'm reading the mnauals right, this
multiple flash arrangement is a lot easier in CLS mode where you
seemingly just set up a commander and slaves and press the shutter
release... Brian... a bicoastal Nikonian |
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