I am having an issue with my Nikon D300s. When using a Nikkor 70-300mm lens and a Nikkor 75-200mm lens, my pictures are fine. However, when using the same body and switching to a Nikkor 28-80mm lens, the viewfinder appears dark, and the pictures taken are very bright. I am assuming this is a lens issue. I was wondering if this is something that can be fixed or if I need to replace the lens?
I apologize if I am missing technical information. I am still learning the camera.