Originally Posted by
Dave Humphries
ajith, is it the lens alone that does this, or do you have one (or more) filters on the front? (e.g. UV + polariser). You might want to try without, or only use say 20-200mm, to avoid or reduce the problem.
Failing that, correct in post processing; I don't what software you use, but try looking under 'Lens corrections' or similar for an automatic tool to do this. Failing that, manually clone a surrounding bit sk/sea over it, or just crop.
Hope that helps; and keep up the postings and pictures.
Regards, Dave