A Guide to Canon EF-S Lenses
Canon made 24 EF-S lenses that can be used on 35 cameras. Plus, there are many great third party lenses.
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Cheap and Fun Canon EOS 50D Lenses for Photography
The Canon EOS 50D was designed to use EF-S lenses.
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The 8 Best Canon EOS 7D Lenses
The Canon 7D was designed to use EF-S lenses.
Full frame, EF lenses, can also be used. The downside is that they are larger and more expensive.
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