SEL20F28 impresses and puzzles at the same time

Started Apr 10, 2013 | Discussions thread
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[viking79] feel free to disagree with Cheating Software Correction
In reply to viking79, Apr 10, 2013

Off course Software Correction is cheating.  Because we are comparing a:

  • Non-Software Corrected Sigma 19 vs
  • a Software Corrected Sony 20

A better design fair test would be like these:

  • A software corrected Sigma 19 vs
  • a software corrected Sony 20 or even
  • a non-software corrected Sigma 19 vs
  • a non-software corrected Sony 20

the problem here is that if I go by your [viking79] reasoning, I might as well claim that my

  • $300 Canon 17-85 software corrected via PTlens is
  • Much Sharper than any $1200 Canon 17-55
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