Quote:
Originally Posted by KeithT
Why put lenses on your camera that were originally built for 35mm film and not digital?
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One good reason would be that an EF-S lens, leaving aside the issue of how good or otherwise they may be, can only be used on a crop factor type camera. Should the OP at some stage decide to purchase a full-frame camera then any EF-S lens will be redundant. Within that limitation then your question is a valid one.
In broader terms, the 7D is, in my opinion, one of the best digital cameras produced by Canon to date - and certainly not cheap. With a camera such as this it would be a shame to use anything other than the best quality lens you can afford.