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Old Jun 29, 2012, 1:38 PM   #11
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Originally Posted by Outhouse View Post
Well, I have Sony and I am pondering how much better their 1.4 is vs. their 1.8. I suspect enough to warrant the price difference
Sony's 50mm f/1.4 is a 'Full Frame' lens, while its 50mm f/1.8 is a 'DT' (APS-C only) lens, so you can't make a real comparison between them that way.

If you're shopping for a 'Full Frame' lens, the 50/1.4 is all there is, but if you're looking for a 50mm lens on an APS-C body, the 50/1.8 is better.

That is, except for that whole 2/3 f-stop thing, for which there is no substitute.
  • The lens is the thing.
  • 'Full Frame' is the new 'Medium Format'.
  • "One good test is worth a thousand expert opinions." - Tex Johnston, Boeing 707 test pilot.
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Old Jun 29, 2012, 3:26 PM   #12
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Here's a link reviewing the f/1.8 Sony lens- with a direct comparison to the f/1.4 further down the page..
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