Nov 11, 2014, 05:50
Your Flickr stream shows many very good wildlife photos from your present camera sensor format so, if you were to upgrade to a better APS-C for your wildlife shots, you might consider adding a good prime lens for portraits, e.g. Sigma 50mm f/1.4 EX DG HSM - equivalent to 80mm on APS-C.
Cheers.
Philip
Cheers.
Philip