05-10-2012, 07:35 PM
I have to concur with Popo here. I was in a "safari" in south africa and had the 70-200 f/4 IS L + Kenko 1.4. I found that it was indeed rather fiddly to mount/unmout it and I could notice an impact on image quality. Also, I unlocked the tc accidentally a couple of times and almost got a disaster but can't exactly remember how it happened. All that to say that if you're intending to get more reach, the TC way is a bit of a pain, IMHO.
Greetings,
S.
Greetings,
S.