Larry wrote:
>
>
> I have a question about night-sky pictures that I took back when the
> Leonid asteroids were around. All of my pictures have a "hot spot"
> more-or-less in the center of the frame.
>
> I think I am seeing the effect of light pollution, because it is not
> totally centered, tending to be brighter near the horizon:
> http://users.rcn.com/rmwoods/startrack.jpg
> but I got this regardless of the direction I pointed the camera,
> and in this shot:
> http://users.rcn.com/rmwoods/leonid.jpg
> where the camera was aimed far above the horizon, the lower corners of
> the picture, nearer the horizon, are darker than the center as well.
.
.
.
> Does the Zuiko 24mm 2.8 have a problem with light fall-off at the edges?
I noticed exactly the same effect, 50mm f1.4 at f2. In my case I was
looking at very low light pollution, and the effect seemed to be symmetric
about the lens axis rather than any point in the sky.
Wayne Harridge
Ivanhoe, Victoria, Australia
http://members.optusnet.com.au/~w_harridge/
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