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      04-06-2014, 02:51 PM   #43
dcstep
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Drives: '09 Cpe Silverstone FR 6MT
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Quote:
Originally Posted by GrussGott View Post
I dunno, I'm just a noob, but I take a lot of pictures of sea gulls and airplanes as my deck overlooks the approach to SJC, and points straight south into silicon valley ... using an ef 300mm lens with "2" lens stabilization (panning) I get some pretty damn awesome shots during super fast pan - you can almost see the pilots faces (600mm would show their haircuts!). Seagulls coming cruising straight up past my deck and I can catch them in perfect focus as they fly by with no blur. I also caught a hawk in the Santa Cruz mountains right after he popped up through the trees - I just happened to be panning for a shot, saw it and snapped it. Also I got a motorcycle going past at ~80 mph coming from behind me.

Again, I"m a noob, but given my experiences with 1/2 second opps for a shot and getting every one in perfect focus, I haven't found the event yet where I lose a shot.
Reading between the lines, I think you said that you used a 6D with a 300/f2.8 and a 2x TC to shoot gulls. That's to be expected, because the native maximum aperture is f/5.6, which the 6D can handle. With f/4 lenses, like the 500 and 600mm, the native aperture would go to f/8 and the 6D would either slow in a big way, or come to a complete halt.

I have no idea what you're saying about "1/2 second opps".

Dave
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