On 31/07/2005, at 5:01 PM, Bob Palmieri <rpalmier@xxxxxxxxxx> wrote:
When some of you have nothing better to do could you just point yer 20D at a blank wall, set the thing on aperture priority and shoot a series of snaps in 1 stop increments from wide open down to f/16 or so with a lens that stops down when you turn the aperture ring.
I'm getting a consistent arc, with the 5.6 & 8 shots being the most exposed and the 2.8 & 16 shots being darkest.
Regards,
Andrew Nemeth <http://leica.nemeng.com> [ Leica FAQ ]
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