Will an f/1.4 lens give better results at f/2.8 than a f/2.8 lens?

Started Jun 10, 2010 | Discussions thread
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Thomas Lerch
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Will an f/1.4 lens give better results at f/2.8 than a f/2.8 lens?
Jun 10, 2010

Simple, perhaps stupid question but as I await my new 50MM Sigma f/1.4, the thought occured to me. Will I get better results at 2.8 with my new 1.4 lens than I would with my 24-70 f/2.8? Or as logic would lead me to believe, 2.8 is 2.8 whether you are shooting with a 1.4 or a 2.8?

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