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F/32 for Macro?
  • ragnarragnar

    Noob question here. I've been watching Macro How to videos and they seem to all be using Canon DSLR and Canon lenses. Those macro lenses all seem to go to f/32. I understand why...greater depth of field needed for macro, but I don't see any Oly or Pana m4/3 lenses that go to f/32. Most are f/22, I think. Am I wrong? Is that f/22 for m4/3 lenses really an effective f/32 in the full frame world or am I not getting something here? It isn't a complaint as my m4/3 macro shots are pretty good, I think, and will get better with that nice Oly 60mm Macro f/2.8 that's coming. I'm just curious if anyone knows what I'm trying to ask here.

    Harold House

  • 3 Replies sorted by
  • Vitaliy_KiselevVitaliy_Kiselev

    Check this http://www.personal-view.com/faqs/camera-usage/general-camera-usage-faq

  • tetakpataktetakpatak

    @ragnar
    IQ on the m4/3 sensor starts to decrease already from f/5.6 onwards due to diffraction

    http://en.wikipedia.org/wiki/Diffraction

  • nomadnomad

    Manufacturers don't really care if users run into diffraction limits. One of the first HD camcorders by JVC with a 1/3 sensor had stops on it's Fujinon lens going all the way to 16.

    If you really used that stop, the resolution went down to SD level …

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