the trick I believe is to actually stop at the increments just like you said....I have seen long exposure zoom where it is constant rotation of barrel while shutter is open. This is much better. A most excellent photo here!
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Patrick
Nikon D40x; Canon sd770is P&S
Nikon 18mm-55mm and 55-200mm kit lenses, Nikon 50mm f1.8, OLD Nikon 105mm micro f 2.8
"All of that beauty is out there somewhere...you just have to get out there and capture it!" PLF
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