I've been using Nikons since I made the switch from mid-format to 35mm format back in the late 70s. I still shoot film as well as digital. I believe that both Nikon and Canon are pretty much a toss up as to being at the top of the list. I've built my photo system around Nikons and once you invest in one system it becomes costly to change one's mind and switch to another. Even though I like a lot that I see with some of the Canon cameras, I will continue to stick with Nikon.
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Gerald Keown
Southwestern Center for Herpetological Research
www.southwesternherp.com