Olympus E-M1 Picture Modes

My other articles related to the Olympus OM-D cameras.

The Picture Modes, introduced by Olympus with the E-500 back in 2005, are handy packages of image-processing presets, applied to the captured image at the stage of converting it to RGB. These presets originally included sharpening, contrast, and color saturation; now also image gradation.

Obviously, Picture Modes do not affect images saved in the raw ORF format, although the preset values are stored with the image: if you ask the Olympus Viewer or Studio application to do the conversion "as shot", the stored presets will be applied.

The basic modes provided in the E-M1 (or E-M5) are Vivid, Natural and Muted, and Olympus provides no information about them beyond what you can figure out just from these names.

In the OM-D series (maybe already in Pens?) Olympus added at the #1 slot a new mode, creatively named i-Enhance. Providing any meaningful explanation on it would break the long-standing tradition of keeping Olympus users barefoot and pregnant, therefore all the manual explains is that it "Produces more impressive-looking results suited to the scene" (yes, I quoted this already elsewhere, but this is a good place to do it again).

(Clearly, the guy whose main purpose in life is offending my intelligence is still working there, doing just fine!)

Another option is Portrait ("Produces smooth skin textures", I still have to figure out what it exactly does). There is also the Monochrome mode (to which Olympus refers as Monotone, which means something entirely different); it converts the image to black-and-white, optionally applying a color filter and the tint of converted image.

The mode-selecting interface has been polluted in the recent cameras by including also all "art effects" to it: instead of scrolling through just six or so choices, you have twelve more). Luckily, camera option settings allow you to remove these (or any other Picture Modes) from the scrolling sequence, to make it more manageable.

Just for the record, there is one extra slot, named Custom, allowing you to store your own combination of the four parameters affected.

To check how the mode selected affects generated picture files, I shot a few series of my lakeside scene; here are the results. (The captions at the left link to the original, unaltered image files.)

Except for the Picture Mode, all camera settings remained the same:

  • Aperture priority (-0.7 EV compensation): 1/800 s at F/6.s, ISO 200, matrix metering
  • WB at Sunny (5300K)
  • Noise Filtering at Low
  • Sharpening at -1 (in addition to whatever hidden value is added to that the by Picture Mode)
  • Contrast and saturation at 0, gradation at Normal
    

i-Enhance

Vivid

Natural

Muted

The side-by-side comparison between these samples is not so easy, especially on flat-screen monitors, where the conrast, color, and tonality usually depends on the vieving angle. If you want to view them critically, download the samples (or full-size images) to a separate folder anf flip through them full-screen in sequence, using any image viewer (if your viewer cannot do that, download the free FastStone and thank me later).

Here are my observations.

  • Vivid, Natural and Muted behave predictably, i.e. as the names would suggest;
  • i-Enhance opens up shadows, but brings the highlights dangerously close to overexposure; even mid-tones are too high for my comfort
  • Like with previous Olympus cameras, Natural is by far my preferred choice, and I can always adjust the JPEG image a bit in postprocessing

Sometimes I hear: "I don't have time for postprocessing, too many pictures!" Listen: if a picture is not worth spending another 30 seconds on some quick-and-simple postprocessing, it means it wasn't worth taking at all.

The bottom line is: I don't like the i-Enhance mode at all (although it is not as disastreous as it was in the E-M5). I'm sticking to Natural, additionally reducing sharpness by 2 and contrast by 1, also setting noise filter to Low or even Off.

It is always possible that the i-Enhance mode will be better for less contrasty, more muted scenes. But it certainly does not automatically provide "more impressive looking" (whatever that means) results for any subject I've tried.

While I'm happy Olympus added gradation to parameters stored in Picture Modes, but I wish they've added one more: the noise filter setting. This is intimately related to image sharpening and therefore it should not be left out.

Appendix: Parameters and their adjustments

As I discovered on the E-3 and E-30, each of the three numeric parameters (Contrast, Sharpness, Saturation) consists of two parts. One of them (hidden) is implied by the Picture Mode, the other is whatever the user enters as a correction. The totals can be checked with use of a better EXIF data reader, like Phil Harvey's ExifTool.

Here are the base values for the common Picture Modes:

  1. i-Enhance: sharpness, contrast and saturation all at 0
  2. Vivid: sharpness and saturation at +1, contrast at 0
  3. Natural: all at 0
  4. Muted: contrast and sharpness at -1, saturation at 0
  5. Portrait: sharpness at -1, others at 0.

The zero base values in the i-Enhance mode may be a bit misleading; these values can be still affected, if indirectly, by different processing applied. The same may be true for the Portrait mode, where, I suspect, the mid-tones may be moved up a bit.

These offsets are the same as those used in the E-30; no surprises here.

All this means that, for example, the Natural mode with sharpness and saturation entered as +1 should give results identical to Vivid with these two at 0.


My other articles related to the Olympus E-System cameras.

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Posted 2013/12/13 Copyright © 2013 by J. Andrzej Wrotniak