Tag says it all really, but I was just asked if the 100-400 with Canon 1.4TC would AF on the T3i, I don't have a clue.
If the T3i AF is limited to f5.6 but the first part of the zoom retains that what happens?
Thanks.
If the T3i AF is limited to f5.6 but the first part of the zoom retains that what happens?
Thanks.