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Message: <blockquote data-quote="DanC.Licks" data-source="post: 3300530" data-attributes="member: 111263">That is the way I see it. I found the EC-20 to be too soft to be of much benefit, where the EC-14 it top notch. A 400mm prime is always going to beat a zoom at the same focal length, especially with a TC attached. Certainly the Canon 400 is better at 400 than their own new 100-400. Supposedly Panasonic/Leica are working on a 100-400 zoom. Could be interesting, but again, it is a zoom.Another gloomy day this morning, but I gave the 400+1.4x TC a go. [ATTACH]562084[/ATTACH][ATTACH]562085[/ATTACH][ATTACH]562086[/ATTACH]AF was not much slower than without the TC. Also, I forgot to turn off the half press IS on feature yesterday. Great for MF, but it slows down the AF and shortens the battery life even further. Still, without that, I might have been able to get over 800 shots on one battery yesterday!Can't wait to try it out in good light!</blockquote>