bchernicoff said:
I don't think the background blur looks very good at all. And looking at the focal lengths printed under the images, I feel like everyone of them would have been better shot at 300mm f/2.8 and cropped if necessary. This assumes these weren't crops already.
Well the lens is never going to be all things to all photographers, but I own the 200f/2, 300f/2.8 & 400f/2.8 Version 2 Lenses, Plus the 600f/4 Version 2, and more based on what I've seen in Andy Rousse's Review, I'de have to disagree that @ f/4 this Lens isn't just as good as any of the Primes I mentioned above, time will tell of course, once we have a few being used and start to see the Images, but I'm sold. If you haven't already, have a look here, can't see too much wrong with Bokah @ f/4, or at any other f/stop. I imagine the Photographer didn't shoot his Images at f/2.8 is because this is an f/4 Lens through the Zoom Range without the 1.4x Converter in place.
http://www.andyrouse.co.uk/index.php?page_id=174