Nikon Zoom-Nikkor 55-200mm f/4-5.6G IF-ED AF-S DX VR Zoom Lens "swm" Questions

image is too dark nikkon swm vr ed Having received no response in over a month, I assume this is no longer a problem.

nikon dx swm 18-55 mm I can't rotate the zoom at all. in fact when I detached the lens I noticed that one of the parts (a small round part) was moving about in the lens. Any help? This is a very ...