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Re: [OM] OM-10 : manual adapter

Subject: Re: [OM] OM-10 : manual adapter
From: John Hermanson <omtech@xxxxxxxxx>
Date: Mon, 02 Feb 1998 15:12:42 -0500
The OM-10 has a mechanical 1/2000th shutter speed, called the "mini" shutter.
This is set up incase the customer accidentally goes a stop over 1000 in the
auto mode.  Unfortunately, even when the mini is set up, it becomes moot if
there's oil on the shutter magnet.  This drags 1000 down to 500 (easily).  When
the magnet is clean and the mini is set up to 0.5 ms, 1/2000 is possible,
though the plastic shutter shafts may melt ;-)

John
Camtech
http://ourworld.compuserve.com/homepages/olympustech1997


R. Lee Hawkins wrote:

> In your message dated: Mon, 02 Feb 1998 14:25:35 EST you write:
> >
> >|The manual adapter resistance start at  7.6K for 1/1000, 15.2K for 1/500,
> >|30.9 1/250th an so on.  Double resistance for each ss down the scale.
> >|
> >|John
> >
> >
> >Oooooh ! Would 3.9K give a usable 1/2000 speed ?
> >Or would the OM-10 choke ?
>
> It would choke.  As it is, it doesn't even reliably do 1/1000th.
>
> Cheers,
> --Lee
>
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