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  Previous versions of J_Andrew's message #7796242 « 17-55mm f/2.8 IS USM or 24-70mm f/4L on a 7D? »
  

J_Andrew
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Re: 17-55mm f/2.8 IS USM or 24-70mm f/4L on a 7D?


Why would it be f/4.5??

oh wait - not taking into account the DoF difference between crop and FF....

damn. you may have just cost me $2400


Nov 19, 2009 at 05:27 PM





  Previous versions of J_Andrew's message #7796242 « 17-55mm f/2.8 IS USM or 24-70mm f/4L on a 7D? »