12-10-2012 02:19 PM
12-10-2012 04:36 PM - edited 12-10-2012 04:38 PM
Only aftermarket extenders from Sigma, Tamron, Kenco will work (manual focus) with the 70-300mm f4.5-5.6 DO.
12-10-2012 05:05 PM
I used a Kenko Pro 1.4 TC on mine and as already mentioned I had to focus manually.
12-10-2012 02:51 PM
12-10-2012 04:36 PM - edited 12-10-2012 04:38 PM
Only aftermarket extenders from Sigma, Tamron, Kenco will work (manual focus) with the 70-300mm f4.5-5.6 DO.
12-10-2012 05:05 PM
I used a Kenko Pro 1.4 TC on mine and as already mentioned I had to focus manually.