"ingo" <ing### [at] homenl> wrote in message
news:8FA2BAA34seed7@204.213.191.228...
|
| In addition to the cartoon example, a lot of photos are a combination of a
| motion blurred object and a "static" one. In many cases a flash light is
| used in combination with a long slow shutter speed. It gives the sharp
| object with a blurred trail.

Leading and trailing flash is the technique I believe you're describing, to
get a either a blur ahead or behind the subject.  Shutter stays open after
the flash goes off or it closes just as it flashes.
In this case the shutter would have been opened before the flash has
occurred then promptly closed.
However, I agree with the observations that there would be more substance in
the blurs at the high points in the swings due to the slower movements there
(that was what was being said before, right?)

Bob

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