DB 4 has no cord, so it relies on the interior contact pin. It will
work only on the 1N, 2N and up. 1 and 2 do not have the internal contact in
the film chamber. Databack is fired by a separate set of contacts, not the
regular flash contacts.
_________________________________
John Hermanson www.zuiko.com
Camtech, Olympus Sales & Service since 1977
21 South Lane, Huntington NY 11743-4714
631-424-2121 For Free Olympus manuals,
please call 1-800-221-3000
_________________________________
----- Original Message -----
From: "Dave Dougherty" <davdou@xxxxxxxxxx>
To: "OLYMPUS" <olympus@xxxxxxxxxxxxxxx>
Sent: Sunday, June 23, 2002 7:53 PM
Subject: [OM] Re: Data Back 4 on OM-2
> I have a NIB Data Back 4. In looking at the system chart circa 06/85 I
> note that a Data Back 4 (New Type) will work with an OM-2. How do I know
if
> I have a "New Type"? I shot some photos with the back on the OM-2 and the
> date did not show up.
>
> I have noted that with the Data Back open, a flash on the hot shoe will
not
> fire. So there is an electrical contact of some sort between the back and
> the camera body. (?) This implies that the Data back is triggered by the
> shutter just as a flash is.
>
> Now before you folks pile on, yes I did have it turned on -:).
>
> Dave Dougherty
>
>
>
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>
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