Digital Photography Review on MSN

Cracking the Canon code: what letters like VCM, RF-S and DO tell you about your lens

As with other brands, Canon's lenses feature many letters and acronyms in the lens names. Seeing something like Canon RF ...
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Best EF-mount zoom lenses for Canon DSLRs: more scope, less glass

With the best EF-mount zoom lenses, you and your Canon DSLR are prepared for any eventuality. Allowing you to cover a multitude of focal lengths with a single twist of a ring, a good zoom lens is ...