As an owner and user of the 488RC2 . I can say it has been doing a fine job with my 100-400, occasional Tc and tubes and battery grip equipped 20D with no instabilty issues.. I also use it for macro work with a fully suited 180 with flash gear and once again find it very solid and smooth to move... It is probably at its comfortable limit with the 100-400 set up.... The true long and fast prime lenses probably do need more support....That's my take anyway....Take care....Alex
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I know they are soft, I know they are out of focus, I know they lack contrast, I know my sensor needs to be cleaned, I know they are noisey, I know I should crop a little off the left side, I know I should find another hobby, but other than that how do you like them??  ..
Gear: Yes
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