Oh, goodies, I woke to wood...Bigmos is Out For Delivery!!! YeeeeeHaaaawwww!!!
Congrats! Did you get a good deal? 
NEAT picture, it's almost like there is a "sphere of focus" (rather than the phrase 'depth of field') around the fuzzy bunny critter. I love the effect.
Thanks. The bunny just happened to stop in a really good spot.
Yes, I can get pretty good shots even at 1/40 sec but I'm talking about comparing directly with the 100-400.
The OS doesn't seem much better than the 100-400 IS even with both @400mm
When the OS is active you still see a bit of camera shake right? (Duno how to express it... not drift but a bit of shaking)
I had camera shake at 1/100 on the 100-400 when I used it. I had to go faster (1/125, 1/160 or so). That is only 560mm effective compared to 800mm on the Sigma. I can still see some minor shake with the Sigma, but that is only at 500mm and near the MFD so around 8 feet or so and it is very minimal.
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