A rookie of DSLR

My gears:

Nikon Coolpix 4500

Nikon D40

AF-S DX Nikkor 18-55mm f/3.5-5.6G ED II

Nikon D90

AF-S DX Nikkor 35mm f/1.8G

AF-S DX Nikkor 55-200mm f/4-5.6G ED

Sigma 17-70mm f2.8-4.5 DC Macro HSM

Canon 6D Mark II

EF 24-70mm f/2.8L II USM