That's true. And one of the drawings in the 70-200 patent application had a moving front element, so a telescoping barrel could be a possibility.
In a market where size and weight are allegedly very important, it makes sense. Does anyone else make a telescoping 70-200 f/2.8? It seems like a good trade off to me, but I suspect there was a reason the 70-200 lenses settled on non-telescoping, I just haven't been doing this long enough to know why. Still, it looks like a positive to me.
I'm also anxious for them to get around to the 100-400 zoom. Not because I'll buy it right away, but because I want it on the market soon so it's readily available on the used market when I'm ready for it. It will also be interesting to see if there is any size and weight available for them to take out.
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