Original post by: Spikey2

Text:

I most likely is focus shift - and a 'bad lens'.

If you can, you should return it for a properly working one.

try shooting 'full open' and see how the results are - if they are better, its focus shift.

if its not focus shift, then maybe the lens can be fixed by a qualified technician - not sure how 'easy' the are to work on.

Status:

open