Quote Originally Posted by neuroanatomist


300mm f/4L IS starts with a loud 'clunk' that you can hear and feel, and there's a continual and audible buzz as it works.
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I love that lens! I want it! I just hope by the time I've got the money for it Canon may have overhauled it. We're 2 years shy of its 15th birthday! Personally I prefer a loud IS. Helps me make sure it's working. [:P]