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E-PL1 + Panasonic 20mm vs T1i + 50mm/1.4

Discussion in 'Open Discussion' started by huashan, Dec 13, 2010.

  1. huashan

    huashan Mu-43 Rookie

    18
    Nov 30, 2010
    How would an E-PL1 + Panasonic 20mm stack up against a Canon T1i + 50mm/1.4? I am pretty sure this has been discussed before but just can't find the thread.

    OK the 1.4 is one stop faster. But what else, as far as image quality is concerned?
     
  2. flash

    flash Mu-43 Hall of Famer

    Apr 29, 2010
    1 hour from Sydney Australia.
    Gordon
    Actually 1.4 to 1.7 is only one third of a stop faster. You'll get about a stop more DOF on the m4/3 body at the same focal length though.

    For most purposes you'll be hard pressed to tell any difference in image quality. EOS will be better for focusing on moving subjects. The EPL-1 is more likely to travel with you and therefore used more often.

    Gordon
     
  3. carpandean

    carpandean Mu-43 Top Veteran

    827
    Oct 29, 2010
    Western NY
    The field of view will be considerably wider on the E-PL1 w/ the 20mm than with the T1i w/ the 50mm. Using the standard 35mm equivalence*, the 20mm on :43: is a 40mm equivalent (40mm x 2.0CF), while the 50mm on the APS-C from Canon is an 80mm equivalent (50mm x 1.6CF). Another way to put it would be that the 20mm on the :43: will have the same FOV as a 25mm on the Canon.


    * equivalence gives the focal length on a 35mm/full-frame camera that would yield the same FOV as a way to standardize across sensor sizes. It's not actually a longer focal length, but rather a smaller crop of the same image due to the smaller sensor that yields a similar FOV as a longer focal length would on the larger sensor.
     
  4. huashan

    huashan Mu-43 Rookie

    18
    Nov 30, 2010
    So is 20mm the prime lens for MFT? Why the Canon 24mm is called "Macro" while it has similar equivalent FOV?
     
  5. Kosta

    Kosta Mu-43 Veteran

    435
    Sep 29, 2010
    Australia
    it's called macro due to it's close focusing ability
     
  6. The Canon EF 24mm f2.8 would be the closest equivalent on a T1i to the Panasonic 20mm f1.7 in price. The design virtually dates back to the start of the EF lens mount in the late eighties but it is still quite highly regarded and is a lot smaller and lighter than you's expect when you see it in the flesh. It is infinitely more useful on an APS-C sensor as a standard lens than the EF 50mm f1.4 or f1.8 which in fact become short telephoto portrait lenses. I don't know why either the EF 24mm f2.8 or the vastly more expensive EF 24mm f1.4L would be called macro as they are most definitely not macro lenses.