Thanks for the reminder on the OM-4 mount. I had forgotten about that
problem and it's now pertinent since I recently acquired an OM-4 from
Moose. I have an Adaptall 2 mount on a 24/2.5 with the problem as well
as a Soligor 35-70 and a Rokinon 135 that also have 4 screw mounts.
These would be unlikely to be used with the OM-4 but it was good to be
reminded.
Chuck Norcutt
Piers Hemy wrote:
> Whoopee, on-topic!
>
> Jez and Chris have given you the detail you need, Darin. I would just add
> the rider that with the OM-4 you really must make sure to use silver oxide
> cells, not alkaline cells. The latter will last for a couple of weeks in
> OM-4 with the original circuits.
>
> And if you are intending to use non-Zuiko lenses on an OM-4. make sure that
> the screws on the rear face of the lens mount do not foul the metering
> button on the camera body lens mount. There is a page on Mark Dapoz' site
> which gives the detail:
> http://olympus.dementia.org/Hardware/PDFs/OMTamronMount.pdf
>
> And you can also read about the cirucit boards:
> http://olympus.dementia.org/Hardware/OM-4_circuits.html
>
> Piers
>
> -----Original Message-----
> From: olympus-owner@xxxxxxxxxx [mailto:olympus-owner@xxxxxxxxxx] On Behalf
> Of Darin
> Sent: 22 August 2008 13:40
> To: olympus@xxxxxxxxxx
> Subject: [OM] Looking for tips when buying an OM-4
>
>
> Hello List,
>
> I found an OM-4 for sale for $100. I'm going to look at it latter this
> morning and don't have time to search the archives. So, I was wondering if I
> could get some tips on anything I should keep an eye out for. I'm not very
> familiar with the Om-4, are there any common problems I should be aware of?
> Also, if I recall correctly, I've seen posts to this list regarding OM-4
> circuits being replaced with those of the OM-4Ti. Is there any easy way I
> can tell if this has been done to a camera? Any help is greatly appreciated!
>
> Darin
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