Hi Frank,

On Wed, 26 Feb 2003 17:50:27 -0500, frank theriault wrote:

> BAD PHOTO ALERT!...  But here's an example of the type of panning
> I think we're talking about of a recent ice race (how Canadian! <g>).

I don't think that's the same sort of thing I was talking about.  It's
low resolution on the Web, but your photo looks to me like a thing
where fast moving stuff is blurry while slow moving stuff isn't (so
much).  You were targeting the cyclist's head, so it stayed pretty
stationary ... he (or the surface) probably twitched the handle bars,
thus wheels, a little during the exposure.

The effect I'm talking about is clearly "circular" when you see it. 
I'll try to dig up an instance from my archives.  It's only really
noticable when the frame is pretty much filled with a single car, and
then only at larger sizes (1024 x 768 video or 5 x 7 print).  It just
looks like the ends are rotating around the focus point.  Like, if you
ignore all the background stuff, it looks like the car was mounted on a
post and turning about the focus point.

TTYL, DougF KG4LMZ


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