Canon 70 200mm f2.8: Vignetting

little vignetting at f/2.8 stop down to F4 and those Corners brighten up zoom into 200 mm and we see some moderate pin cushion Distortion and slightly strong vignetting at f2.8 stop down to F4 and f5.6 for those Corners again to brighten up next closeup image quality and this lens can focus down to…

serious lack of contrast you can help this a little by using a lens Hood as I'm showing you here but even then the problem still hangs around another issue is that the macro performance of this lens is not good the lens can only focus down to about 1.5 M so this is as close to my house plant

and in fact you know if i'm traveling light this is probably the configuration that you would see because the lens hood is uh you know it's big um comparatively to the size of the basic lens itself so let's talk about the stabilization a bit more for a second canon rates this or you know sipa rates…