Obtaining the result I want requires two changes. Some of the cat's white fur is orange and this just won't do. The result, with the LUT at 100% intensity is far too much. In this case, the image is a camera raw file. LUTs are applied as layers on top of the image. I selected the (2) golden hour LUT and then clicked (3) Apply. Clicking (1) the Browse option after opening the tab displays a selection of LUTs. You'll find the LUT tab about halfway down the panel of Exposure X4 tools. ALIEN SKIN EXPOSURE X 4 HOW TOI'll show an over-the-top example and then show you how to modify it. To dismiss the larger image, press ESC or tap outside the image.Ĭhanges made by LUTs can be so subtle that they're barely perceptible, over the top, or anywhere in between. ALIEN SKIN EXPOSURE X 4 UPDATEThe 4.5 update is free to all owners of Exposure X4.Ĭlick any of the small images for a full-size view. Once downloaded, they can be added to Exposure X4.Īround the first of this month, Alien Skin released version 4.5 of it Exposure X4 application and perhaps the most significant addition is support for LUTs that use the CUBE format. Some of these emulate film stock, but there are thousands of LUTs - some free and some not - that are available for download. Alien Skin's Exposure X4 now supports LUTs. Today that would be accomplished with LUTs and you can use them, too - even if you're not a cinematographer That's because LUTs aren't limited to applications used to create motion pictures. The result is obvious to anyone who has seen the film. Instead of exposing at 100, though, Willis exposed at 250 and then push-processed the film. ALIEN SKIN EXPOSURE X 4 ISOASA is essentially equivalent to today's ISO rating. At the time, a common film stock for motion pictures was Kodak's 5254, which has an ASA rating of 100. Willis underexposed scenes that were already low key. Underexposing film generally lowers contrast and obscures details in the shadows. Or maybe Willis did that without direction from Coppola.Ī low-key scene is one that's exposed normally, but contains primarily dark colors and will appear dark even with normal exposure. Director Francis Ford Coppola had cinematographer Gordon Willis underexpose even low-key scenes. The Godfather films in the 1970s were intentionally dark. LUTs can do electronically what film photographers and motion picture directors had to do with exposure and processing. One common use is to modify image brightness and contrast, but LUTs are also used to modify colors. LUTs are used to translate values for colors in a scene to another set of values. If you've watched any motion picture that has been edited digitally, you've undoubtedly seen what a LUT can do. So maybe you're wondering where you've seen a LUT and I should probably hedge a bit by admitting that you may not have seen a LUT, but that you've probably seen what a LUT can do. While you may not be familiar with the term, you've almost certainly seen LUTs in action. The Alien Skin application can operate in standalone mode or as a plug-in for Adobe Lightroom Classic or Photoshop. LUT is an acronym for look-up table and adding the ability to use LUTs is a big advancement for Exposure X4. Alien Skin's Exposure X4 Is Better With LUTs
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