It's fired by the circuit board, which is why you need a
battery. Much of the sequencing in the 4 and later is done by
software timers in the board. This means that Olympus could, if
they wanted, added many desired features, such as trailing
curtain sync, slow sync, TTL flash on manual, and separate flash
and ambient compensation, by merely changing the firmware or
board and adding switches for control. This is how they added
manual TTL to the 3Ti. The R&D and tooling costs would be
minimal. Any such feature additions would, however, violate
company policy by encouraging sales and positive press comment.
Paul
> Gee, you'd have thought that the flash would fire from the hot shoe on the
> OM-4 at the mechanical 1/60th shutter speed just like the OM-1/OM-1N. Is
> that the same on the 4T/4Ti?
>
> ----Original Message Follows----
> From: "Paul Farrar" <farrar@xxxxxxxxxxxx>
> Reply-To: olympus@xxxxxxxxxxxxxxx
> To: olympus@xxxxxxxxxxxxxxx
> Subject: Re: [OM] OM-2n 'off' shutter speed.
> Date: Fri, 20 Oct 2000 11:01:28 -0500 (CDT)
>
> [snip]
>
> The 4s have a 1/60 mechanical speed, but it
> won't fire the flash, which is electronically switched.
>
> Paul
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