The flex circuits in the 4/4T are essentially the same material. Both are
very flexible. There are fewer wires in the 4T. The 4 top cover is hard
wired to the chassis with 7 or 8 wires. 4T uses a clamp to hold 2 flex
circuits in contact instead.
John Hermanson
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----- Original Message -----
From: "Chris Charlton" <c_charlton@xxxxxxxxx>
To: <olympus@xxxxxxxxxxxxxxx>
Sent: Friday, June 22, 2001 6:32 PM
Subject: Re: [OM] OM-4 vs. OM-4T
| Which circuit boards were made flexible? Certainly not
| the ones under the top cover as these are already
| flexy plastic (I looked!) on the OM4
|
| Chris
|
| --- Garth Wood <garth@xxxxxxxxxxxxxxx> wrote: > At
| 03:06 PM 6/22/2001 -0700, Winsor Crosby wrote:
| > >Part of the redesign of the circuitry was, I
| > understand, the transition to a flexible circuit
| > board instead of the rigid one, supposedly
| > increasing its reliability and which may contribute
| > as much to the weight savings as the titanium top
| > and bottom cover. Those covers are real, by the way,
| > unlike others such as Leica who used titanium
| > plating on base metal for the look and none of the
| > advantages. I believe I read somewhere, too, that
| > additional efforts were made to seal the camera from
| > the weather. I could be wrong about that.
| >
| > I think you're dead-on correct about that, actually.
| >
| > Garth
| >
| >
| > < This message was delivered via the Olympus Mailing
| > List >
| > < For questions,
| > mailto:owner-olympus@xxxxxxxxxxxxxxx >
| > < Web Page:
| > http://Zuiko.sls.bc.ca/swright/olympuslist.html >
| >
|
|
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