Hey everyone. Im in the market for a wide angle lens for my 40D. I've seen a few e.g. the sigma 10-20, sigma 12-24 and the canon 10-22. I've also got to take into account that i might be upgrading to full frame in the future (maybe the 17-40mm L). Whats everyones thoughts on this?
Thanks,
Sam.
Thanks,
Sam.