![]() + Works amazing when you’re not worried about highlights When it works, it looks amazing, although you sometimes have to just tame down the effect but dropping saturation or, in my case I drop the opacity which I find works extremely well in my testing. The Sigmoid module is an almost one stop, one button press alternative to Filmic RGB. ![]() + Can be used almost exclusively if need be Even at its most basic setting, you still need to press a few buttons to make the initial adjustments. There’s no denying that Filmic RGB is powerful, but in some ways that’s also it’s downfall, as many people simply want to press a button and get results. This can be removed with some work in Darktable, but for this image, using neither Filmic or Sigmoid just works out better with a quick edit. Notice the colour shift in this image in the very bright part of the skies (this test is not about recovering colour shifts, but showing initial usage with minimum tweaks). As the end user, use the software as you want. It’s totally up to you, don’t let anyone tell you that you should or shouldn’t do anything, or in any particular order. Of course, to throw a spanner in the works, as seen by the above examples, there are times when you may choose not to use either the Filmic RGB module or the Sigmoid module. You may need to turn down the saturation on sigmoid compared to filmic RGB, so that’s another thing to look out for. One thing you will notice is that the sigmoid module quite often gives a much nicer “filmic” look, simply by activating it, which is quite ironic when you think that is what the Filmic module is capable of. Base Filmic V6 Sigmoid Click on the images to see them full screen for comparison (row 1 – Base, row 2 – Filmic, row 3 – Sigmoid) Remember though, Filmic RGB is the more powerful module, as it has much more control over it. It takes only a second to turn on/off the individual modules to have a look if you are not sure. For mostly anything else, especially scenes without a lot of highlights, sigmoid is fantastic. The easiest way to think about which module to use is anything with many highlights, such as landscapes with cloudy skies, or animal shots with lots of details, then filmic is usually the safest and most efficient module. If you’re viewing on a mobile device, it won’t show rows of three images, the images are always in the order mentioned though, so you can not get confused. Images are best viewed full screen on a laptop or bigger. Take note of all the extra steps needed in Filmic versus Sigmoid! They will ensure your output (either display referred or scene referred) enables you to see the blacks, whites and all the colours in-between.įor the examples below, we will see an image with the same basic adjustments applied to all three identical images ( All images have lens correction, exposure set, global saturation 20%, global chroma 10% and local contrast 130%), the second images are with Filmic V6 (going into the Filmic RGB module, the auto tune levels was selected, and then in the reconstruct section I adjusted the highlight reconstruction settings using the mask) while the third images are simply applying the Sigmoid module with no changes. In basic terms, Filmic and Sigmoid are modules to control and contain the dynamic range of your images. You already know the exposure triangle and understand the basics of your camera, and editing should just be an extension of this.įilmic RGB, Sigmoid or Nothing? How do you decide? I’m a strong believer that you should only need basic knowledge of sliders and then as you gain knowledge you can look into the technical side if you really feel the need to… This slider increases/decreases saturation, this slider increases/decreases exposure etc in order to make an edit should be all you need to worry about. I am not going to make this article technical in any way. ![]() I am a full time photographer, and this is how I earn my living. However, my preferred software is Darktable (along with Gimp) for the more creative edits (don’t ask me why, I just really enjoy using it!). Because I teach photography, I am also proficient at other software packages such as Adobe Lightroom, Luminar Neo, DXO PhotoLab, ON1 and more. I’ve been using Darktable since around 2010, in that time I’ve developed many thousands of images using Darktable. ![]() They are both intended to do the same, or very similar things, but both give quite different results.įirst of all some information about me and my photography and the use of Darktable. Darktable is an amazing piece of software, however, the decision to develop a separate module from the Filmic RGB module which they have named Sigmoid has caused some confusion among Darktable users. ![]()
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