OM-1s are older than the 2N and may have crushed bumpers in the mirror
mechanism. OM-1, 1N, 2, 2N have essentially the same mirror mechanism.
I've used 2N mirror mechs in OM-1 with no problems. Bodies with bad
internal bumpers kinda make a "clack" sound when you fire the shutter.
___________________________________
John Hermanson | CPS, Inc.
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631-424-2121 | www.zuiko.com
Olympus OM Service since 1977
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Dawid Loubser wrote:
> That really sucks, I love my OM-1n, but I am happy to perhaps relegate
> all
> Macro shooting to the OM-2n (which, I must admit, does appear to be a
> lot smoother).
>
> It is amazing how well a human being damps vibrations, no? The OM-1 is
> the only camera
> I've used with which I can get tack sharp 1/15s exposures hand-held
> (say, with a 24mm lens)
> but which absolutely sucks on a tripod for similar exposure durations.
>
> Anyway, my plan B is to potentially think of building a leaf shutter
> (like from an old busted Mamiya RB lens, those shutters induce an
> effectively
> zero moment of inertia to the system when they fire) in between the
> lens,
> bellows, and camera somewhere. That might be an all-round better
> solution,
> I have found leaf shutters to be much superior for delicate Macro work
> (when
> I do e.g. 2:1 with a Mamiya RB67). Of course, that may not be so
> trivial, but it's
> just an idea...
>
> On 23 Sep 2009, at 11:03 PM, Ken Norton wrote:
>> The short answer is to NOT use the OM-1. The OM-1 has that little
>> issue
>> with the aperture stop-down mechanism that shakes the camera (even
>> with
>> mirror lockup) like it's coming off of a high.
>>
>> An OM-2, 3 or 4 series body (even the OM-2000) will be much smoother
>> in this
>> circumstance.
>>
>> Long answer is to use a LONGER shutter speed. As a general rule,
>> you should
>> avoid 1/4 to 1/30 second with all OM bodies, but especially the
>> OM-1. When
>> you use a longer shutter speed than 1/4 second, the percentage of the
>> exposure that is affected by vibration is greatly reduced. With a 2-
>> second
>> exposure, for example, you will have no shutter-vibration blurring.
>>
>> AG
>> --
>
--
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