Wayne Harridge wrote:
>
> As for the centre filter, I'd test it first to see how much variation in
> exposure you get across the frame, shoot a few frames of an evenly lit wall
> or something. If the variation in exposure is well within the latitude of
> the film it might just be a matter of doing a radial exposure correction in
> post processing.
>
Exactly what I would suggest, with one addition. Sky color can vary
considerably of super wide angles of view. YOu need to seaprate such
effects from actual lens effects.
The additional suggestion is to see what the various vignetting
correction tools do.
Moose
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