Siddhartha Jain wrote:
Hi,

I had decided to buy the Canon 100-300mm f/4.5-5.6 when I came across
the Tokina 80-400mm f/4.5-5.6. I looked at eBay and both can be had
for
about ~$200 used, which is my upper spending limit for a telephoto
zoom
lens.

One more
Throw the Sigma 70-300mm APO f/4-5.6 also in the ring.

- Siddhartha