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frederick_chan

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Topics posted by frederick_chan

  1.  

    NEED IMMEDIATE HELP ! Canon EOS 20D & Sppedlie 580EX 1 2

    By frederick_chan, in Canon EOS Mount

    • 32 replies
    • 811 views
  2.  

    Does anyone has any experience in using Sigma APO 120-300mm f/2.8 EX HSM ?

    By frederick_chan, in Canon EOS Mount

    • 10 replies
    • 381 views
  3.  

    Sigma APO 50-500mm F4-6.3 EX DG HSM

    By frederick_chan, in Canon EOS Mount

    • 7 replies
    • 199 views
  4.  

    Indoor Baseball Banquet - Which lens to use?

    By frederick_chan, in Canon EOS Mount

    • 2 replies
    • 192 views
  5.  

    Compare Canon EF 200mm L f/2.8 to Sigma APO 150mm EX f/2.8

    By frederick_chan, in Canon EOS Mount

    • 7 replies
    • 341 views
  6.  

    How to prevent "back focusing" ?

    By frederick_chan, in Canon EOS Mount

    • 5 replies
    • 1,544 views
  7.  

    Canon EF 70-200mm f/2.8 IS USM vs Sigma APO 70-200mm f/2.8 EX HSM

    By frederick_chan, in Canon EOS Mount

    • 14 replies
    • 398 views
  8.  

    Canon EF135mm f/2L USM vs Sigma APO Macro 150mm f/2.8 EX DG HSM

    By frederick_chan, in Canon EOS Mount

    • 11 replies
    • 273 views
  9.  

    Canon EF135mm f/2.8 SF vs Canon EF135mm f/2L USM

    By frederick_chan, in Canon EOS Mount

    • 5 replies
    • 150 views
  10.  

    Sigma EX Zoom Lens Upgrade

    By frederick_chan, in Canon EOS Mount

    • 5 replies
    • 181 views
  11.  

    Please show me your Sigma APO 70-200/2.8 EX HSM + Sigma 2x Extender pix.

    By frederick_chan, in Canon EOS Mount

    • 7 replies
    • 160 views
  12.  

    Canon EF 70-200mm f/2.8L USM vs Sigma APO 70-200mm f/2.8 EX HSM

    By frederick_chan, in Canon EOS Mount

    • 9 replies
    • 316 views
  13.  

    Monopod for Canon EOS 20D

    By frederick_chan, in Canon EOS Mount

    • 12 replies
    • 1,117 views
  14.  

    Teleconverter compatible to Canon 20D & Sigma 80-400mm EX APO OS

    By frederick_chan, in Canon EOS Mount

    • 4 replies
    • 969 views
  15.  

    Canon EF 75-300mm F4-5.6 DO IS USM vs Canon EF 75-300mm F4-5.6 IS USM

    By frederick_chan, in Canon EOS Mount

    • 6 replies
    • 325 views
  16.  

    Sigma vs Canon Lens Comparison

    By frederick_chan, in Canon EOS Mount

    • 6 replies
    • 199 views
  17.  

    What EF Auto Zoom Lens for Canon 20D?

    By frederick_chan, in Canon EOS Mount

    • 8 replies
    • 1,359 views
  18.  

    Buying Canon EOS 20D over the web

    By frederick_chan, in Canon EOS Mount

    • 21 replies
    • 666 views
  19.  

    Which Canon lens to purchase for Canon 10D high school baseball?

    By frederick_chan, in Canon EOS Mount

    • 11 replies
    • 894 views
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