@jaewoosong wrote:
point taken but OP still only has EF lenses. don't know why EF-S came into the picture.
Actually neither do I! 
Still, it is a useful piece of information and a bit of a turn-around from Canon who are now following the same path as Nikon has done in that respect.
cheers, TREVOR
The mark of good photographer is less what they hold in their hand, it's more what they hold in their head;
"All the variety, all the charm, all the beauty of life is made up of light and shadow", Leo Tolstoy;
"Skill in photography is acquired by practice and not by purchase" Percy W. Harris
