Quote Originally Posted by 4wdexposure View Post
forgetting overly technical "what ifs" such as a heavy zoom lens is harder to hold still than a prime lens, but some of the cheaper zooms are not overly weighty and some professional limited zoom lenses (say 16mm - 35mm) can weigh as much as cheaper long zooms.
Heavy lenses are less prone to camera shake becuase f=ma of course if you are going to collapse under the weight of certain lenses after a few hours use then this becomes meaningless