*My gear :

-Nikon

+ Nikon D90, Nikon D300

+Nikkor AF 35-105mm F/3.5-4.5 D, Nikkor AF 70-210mm F/3.5-5.6 D, Sigma 18-50mm F/2.8 EX DC, Tamron SP 28-105mm F/2.8 LD IF AF, and Yongnuo 50mm F/1.8 N

-Panasonic

+ Panasonic Lumix GF-2

+Lumix G Vario 14-42mm F/3.5-5.6 ASPH Mega OIS

-Canon

+Canon EOS 5D

+Canon EOS Kiss X4

+Canon EF 50mm F/1.8 II, Canon EF 24-85mm F/3.5-5.6 USM, Canon EF-S 18-55mm F/3.5-5.6 IS, Canon EF-S 18-135mm F/3.5-5.6 IS