I am trying to figure out my kit for my London trip. I think I'm going to go with my Tamron 28-75mm f/2.8 Di and a teleconverter. Now I have to figure out which teleconverter to get. B&H has 2x teleconverters by the following manufacturers:
Tokina Tamron Kenko Sigma (APO) The Kenko is the cheapest and the Sigma is the most expensive, but that one doesn't fit all cameras. I would appreciate any advice about which one of these is best optically. I've seen some pretty impressive results from the Tamron but none using the *istD. Thanks, Amtia
