Hello, 
I am struggling with some marks on some of my photos it does not seem to be all of them I have got this mark on my lens I have cleaned the lens several times using my lens pen and it is still there but not always. I have loaded this pic for you to see, will I have to take this to be cleaned professionally?
the full size one is
http://i552.photobucket.com/albums/jj355/GregD450/Mungrisdale001.jpg
not sure if this is the right area to post this but thanks for the advice is advance.
Greg

I am struggling with some marks on some of my photos it does not seem to be all of them I have got this mark on my lens I have cleaned the lens several times using my lens pen and it is still there but not always. I have loaded this pic for you to see, will I have to take this to be cleaned professionally?
the full size one is
http://i552.photobucket.com/albums/jj355/GregD450/Mungrisdale001.jpg
not sure if this is the right area to post this but thanks for the advice is advance.
Greg