Quote Originally Posted by alexniedra


Quote Originally Posted by Matt.s.Maneri


Quote Originally Posted by piiooo


What body are you going to use the lens with?
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im sorry I just dont understand how this is relevant


Typically when forum members provide help with lens choices, it is very helpful if we know with what body you plan to use your lens. For instance, if you are planning to use the Sigma 12-24mm on a 1.6x FOVCF (Field of view crop factor - 7D, 50D, Rebel T2i, etc.) camera, the 12-24mm would provide a totally different field of view than when it would be used on a full-frame camera like the 5D Mark II or 1Ds Mark III.


In short, this information helps us better help you. We can give you more relevant information that will help you make informed purchase decisions.
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ok so tell me. how does changing the body change the lens? I mean what
would the difference if I had a 5D mk.II verses say a 50D?