The TTL control signal from both cameras is compatible with both flashes, hence
the shoe 3. The problem is purely mechanical, ie pin arrangement on the foot,
pins on the shoe and the small matter of a thread direction reversal. Oly
evidently believed that people would upgrade their flash system more readily
than upgrading their body.
You could make yourself a "shoe 3A" by taking the base of a shoe 4 and
rebuilding it around the pin - plate from a shoe 2. Unless you have a pair of
scrap shoes, however, this is very unlikely to be worthwhile. QA310s don't
offer any advantages over T series, and for your trouble you get lower
reliability and fewer functions.
The only real need I can see for a QA310 is OM 1 and bounce grip, but you're
probably better off with third party (or a T45!!!)
Julian
> from: Tom Scales <tscales@xxxxxxxxxxxxxx>
> date: Tue, 08 Apr 2003 03:37:40
> to: olympus@xxxxxxxxxxxxxxx
> subject: Re: [OM] OM-1n/shoe 4 question
>
> I do not believe the OM-2n can do TTL with a Shoe 2. The Shoe 2 wouldn't
> fit. It has a single extra pin in the center while the Shoe 4 has a pair of
> symetrical pins.
>
> Tom
>
> > on 4/7/03 1:33 PM, Timpe, Jim at Jim.Timpe@xxxxxxxxx wrote:
> >
> > > That is correct.
> > >
> > > -----Original Message-----
> > > From: JMeyers102@xxxxxxx
> > >
> > > From this I gather that only with the OM-2n does the shoe 4 give you TTL
> > > "OTF" flash, and not with the OM-1n. Is that correct? TTL flash is not
> > > possible with the OM-1n?
> >
> > I thought I knew this, but on reflection I am not certain...
> >
> > We know that the Shoe 4 with an OM-2n will do TTL flash. We know that the
> > Shoe 2 with and OM-2 and the QA-310 will do TTL flash. Will the QA-310 do
> > TTL flash with the OM-2n? Which Shoe is necessary (assuming the Shoe 2
> will
> > fit, I don't know...) I probably have all the needed bits to test this,
> but
> > I can't remember if I ever read anything about the QA-310 doing TTL with
> any
> > but the OM-2 camera. Seems like they would have kept the capability on the
> > 2n body if they could, but did they...?
> > --
> >
> > Jim Brokaw
> > OM-'s of all sorts, and no OM-oney...
> >
>
>
>
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