You could handhold the flash & press it's test button. Just don't breathe on
the camera.
Hans, were there any heavy-footed bugs tramping around the lens?
Tom
> Date: Fri, 07 May 1999 09:22:34 -0500 (CDT)
> From: "Barry B. Bean" <bbbean@xxxxxxxxxxxxxx>
> Subject: Re: [OM] 200/f4 + Shutter Shudders :Final Word(?)
>
> On Thu, 06 May 1999 21:48:03 -0500, Gary Edwards wrote:
>
> >Here's how to settle the question of whether shutter-induced vibration is
> >the culprit in the apparant poor performance of the 200/4. Shoot the
> >test using open flash in a dark room. Since you opened the shutter prior
> >to the flash (using bulb setting and a locking cable release), there will
> >be no camera movement (don't tap your feet while shooting!). If the
> >results are still soft, it's the lens. If it's sharp, it's camera/lens
> >resonance.
>
> Is it possible that the flash might generate a small vibration? It
> would certainly change the center of gravity.
------------------
From: Tom Trottier, President, ACT Productions Inc.
infoanim@xxxxxx http://www.act.ca
+1 613 594-4829 fax +1 613 594-8944
199 Holmwood Ave, Ottawa, Ontario, Canada K1S 2P3
"Make it as simple as possible, but no simpler" - Einstein
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