Two answers and a couple of clarifications, Brian:
TTL switching, 'flash ready' and 'flash exposure OK/not OK' signalling in
the viewfinder (depending on the camera capabilities). Of course, that
includes firing the flash too!
Yes, the camera controls all of the flashes which are connected (again,
depending on the camera capabilities - an OM1 won't do it).
In principle there is no reason why using the T20s for side lighting will
not work (rather like the T28 macro flash, but with more flexibility as to
position) BUT remember that the T20 does not have the TTL socket, you need
the adaptor for that - and if you can vacuum those up from auction sites,
you are doing well. When they show up, they can go for USD30 which is maybe
more than you paid for the T20 itself.
And also remember, of course, that you will need the appropriate TTL
leads...
Piers
-----Original Message-----
From: olympus-owner@xxxxxxxxxx [mailto:olympus-owner@xxxxxxxxxx] On Behalf
Of Brian Swale
Sent: 07 October 2004 06:46
To: olympus@xxxxxxxxxx
Cc: Fernando Gonzalez Gentile
Subject: [OM] ( OM ) T Power Control 1 advice sought (2)
--snip
... the TTL socket and cord(s). Thinking it through, am I correct that the
function of this cord is to provide only TTL switching from the camera to
any flash units that are connected?
Using this TTL socket/cord to supply ( up to 9 auxiliary units) such as a
T20 ( I have never examined or owned a T32), does this enable the camera to
do the TTL switching for all of them?
-- snip
I can see how I might use the ring-flash for low-power macro fill flash and
the T20s ( I have vacuumed up a few when they have been going begging on
auction sites) for varied side-lighting to give the shots more character.
--snip
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