I have tried to search for some actual users of both for ??s which one gives the best IQ in good light ??Is the extra 400mm with the SX 50 real good for birding ?? The SX 40 was recommended buy one poster i PMed he said the SX 50 is really not that much better???can some one Please give some real answers Thanks Ron
I have searched many posts and still not come up with what i want ??