Archived posting to the Leica Users Group, 2000/10/08

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Subject: Re: [Leica] Re: Steady as she goes there, lad [y]
From: Dennis Painter <dpainter@bigfoot.com>
Date: Sun, 08 Oct 2000 19:51:31 -0700
References: <200010081514.IAA05969@rakitzis.com> <39E09E72.B28BD436@home.com>

Ted wrote:
> 
> >>>>>>>>"Handholding is strictly for dead photographers:  A human pulse beat will
> 
> >cause 200 microns (.008 inch) displacement for 1/10th of a second.  Assuming
> >a shutter speed of 1/250th of a second, this movement alone will cause a
> >loss of 22% of resolution with a system capable of reproducing 100 lines per
> >mm (lpm).  <<<<<<<<
> 
> Byron Rakitzis responded::
> >>>>>>Surely this guy has heard of the sharpshooter's trick of shooting in
> between heart beats? It works for cameras too!<<<<<<<
> 
> Byron,
> this guys a crock! Hell I've got slides where you can see the skin texture of a
> running athlete and the only heart beat involved was slower than my ability to
> re-act to shooting the action of the moment.
> 
> It's just another one of those theory people things with absolutely no idea of
> what they are talking about when it comes down to the "real time" of  life in
> handling cameras.
> Or as you pointed out, target shooters firing between heart beats.
> 
> ted


It's just like the theory that says bumble bees cannot fly! 

And Ted's experience is worth more than any theory. What counts is what
works!

In reply to: Message from Byron Rakitzis <leica@rakitzis.com> ([Leica] Re: Steady as she goes there, lad [y])
Message from Ted <tedgrant@home.com> (Re: [Leica] Re: Steady as she goes there, lad [y])