[lkca]

Today buy 5D mark II 24-105 Kit
no problem test at the shop

try at office after charged the battery and display
"Err 20"
"無法拍攝，將電源開關切換至<OFF>後再切換至<ON>或重新安裝電池"

Finally back to shop and refund at same day cos the shop no other stock.

But i also bought 430EX II and Extreme IV 8 and 16GB card same day.
$$$$