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OM-D: does the evf or LcD use more power?

Discussion in 'Olympus Cameras' started by FlyPenFly, Nov 8, 2012.

  1. FlyPenFly

    FlyPenFly Mu-43 Veteran

    Feb 15, 2011
    Just curious which one sucks more battery down. Intuitively it should be the LCD since it ha to give off more light but since its OLED now, it might not be true any more.
  2. Chronos

    Chronos Mu-43 Regular

    Oct 18, 2012
    From what i have seen the OLED never really shuts off while the camera is in use, it just goes black when the EFV is engaged.
  3. GaryAyala

    GaryAyala Mu-43 Legend

    Jan 2, 2011
    Interesting, so no power savings ... does black consume more power than color?

  4. Olympus says that when used with the VF-2, the E-P3 has a battery of approx 90% compared to using the rear screen alone. I haven't seen anything similar regarding the E-M5 but the specs of the two components (EVF and OLED screen) on each camera are similar.

    E-P3 &gt Frequently Asked Questions
  5. arch stanton

    arch stanton Mu-43 Veteran

    Feb 25, 2012
    There's no backlight, so an OLED screen showing black doesn't draw much power. Sadly no idea how much it draws compared to an 'off' LCD screen, but it's less difference than you might think.
  6. RobWatson

    RobWatson Mu-43 Hall of Famer

    If someone cares to send me their camera I can measure the power draw directly!

    Does the screen have a brightness control like the older pens?
  7. b_rubenstein

    b_rubenstein Mu-43 All-Pro

    Mar 20, 2012
    Melbourne, FL
    • Like Like x 1
  8. Chronos

    Chronos Mu-43 Regular

    Oct 18, 2012

    That is really interesting, i will have to try that.

    normally i leave my OLED screen completely black much the way he describes.

    For what it i worth, i have managed to pull 1,300 shots with the OLED screen on.

    IBIS off, AF off, no image review, mounted on my timelapse rail running one shot every 5 seconds.

  9. uci2ci

    uci2ci Mu-43 All-Pro

    Jun 22, 2012
    Los Angeles, CA
    I have an AMOLED cellphone (International Gnex) and I can tell you its as power hungry as an LCD. The only exception, as mentioned earlier, is when rendering blacks.

    Many AMOLED cellphone users set their homescreen background to a solid dark color, and invert colors in their web browser so that text is white and background in black. The power savings are marginal.

    The EVF with its small size would definitely draw less power. Since it unaffected by sunlight, you can even lower its brightness without ill effects
  10. Ned

    Ned Mu-43 Legend

    Jul 18, 2010
    Alberta, Canada
    Yup, this has always been my experience with the VF-2 as well. I haven't noted if there's any difference yet with the lower-resolution and small-screened VF-3.

    The EVF on the E-M5 is similar in spec to the VF-2, and the OLED touch screen is similar in spec to that on the E-P3... so I would imagine it should be the same deal.
  11. Mikefellh

    Mikefellh Mu-43 Top Veteran

    Jun 7, 2012
    Toronto, Canada
    "The back lcd" is NOT an LCD at all! The OLED monitor has a totally different power use than LCD. With the OLED there's no backlight.
  12. atnbirdie

    atnbirdie Mu-43 Regular

    Apr 13, 2013
    I know this is an old thread, but I have an update. Luckypenguins info does not apply to the EM5. I asked Oly Tech Spt and they said that the built in EVF consumes less power than the OLED display.
  13. atnbirdie

    atnbirdie Mu-43 Regular

    Apr 13, 2013
    On follow up, I asked what was the approximate % power remaining when the battery warning icon appeared if the warning level was set to +2, 0 and -2? Here is their answer:

    "It would be roughly close %30, %20 and %10, but this is not that accurate
    as this only measures the voltage that the battery is providing."
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