I am writing this article solely to address the use of older lenses (aka “legacy glass” on newer, current Nikon and Canon digital bodies. Whenever, people hear about a Nikon vs Canon debate, the first reaction is “oh no, not THIS again”, but there really are some distinct differences between the two systems that should be considered when making an investment into one or the other system. The only difference that I am addressing in this article is the lens mount.