I'm using Canon DSLR, EOS1D mk2 and 20D.

With :

EF-S 10-22 f3.5-4.5 USM

EF-S 17-85 f4-5.6 IS USM

EF 17-40 f4L USM

EF 24-70 f2.8L USM

EF 70-200 f2.8L IS USM

EF 100-400 F4.5-5.6L IS USM

EF ext 1,4 II

Flash :

Canon 550EX

Canon 420EX (slave)