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RE: [OM] 200/f4 + Shutter Shudders: (was"200mm F4 / F5 vs. 65/200 mm F4)

Subject: RE: [OM] 200/f4 + Shutter Shudders: (was"200mm F4 / F5 vs. 65/200 mm F4)
From: Wayne Harridge <Wayne.Harridge@xxxxxxxxxxx>
Date: Fri, 7 May 1999 18:08:23 +1000
> Someone once showed me an example of the effect of mirror 
> slap/shutter shake
> that really stuck in my mind. He mounted the camera normally 
> onto his tripod
> and put a glass of water on top, resting on the flash shoe. 
> When the system
> fired off a frame you could clearly see the ripples of water 
> in the glass.
> Made a believer out of me.

Reminds me of the story I heard about the Rolls Royce engineers - They would
stand a penny (a UK coin about 3cm in diameter) on edge on a running engine
to demonstrate how little vibration was present.

Wayne Harridge
Ivanhoe, Victoria, Australia
http://www.geocities.com/Paris/Louvre/6152/ 

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