Long preparations and remaining mobile were key prerequisites to observe the 2012 Transit of Venus. Here you can see some images from the frantic "ToV Expedition" :
Images below were taken with 2 different setups:
a) White Light - Takahashi FSQ85 + TOA 1,6x Extender + Baader Astrofoil ND 3.6 + Canon 5D Mk II
b) Ha Light - Takahashi FS60 + Extender-Q + Coronado SM60 + BF10 + Microsoft Lifecam