[Leica] Re: Steady as she goes there, lad [y]

[Byron Rakitzis <leica@rakitzis.com>]

>"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).  And at a shutter speed of 1/125th of a second, this performance
>would degrade to only 53 lpm--a 47% waste of of what you purchased."  John
>B. Williams, Lens Clarity, page 191

Surely this guy has heard of the sharpshooter's trick of shooting in
between heart beats? It works for cameras too!

Byron.