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Adobe RAW image processing (LR & ACR)
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<blockquote data-quote="BackdoorArts" data-source="post: 508420" data-attributes="member: 9240"><p>I'm finishing up a bunch of work in prep for a couple weeks off over Thanksgiving, so I've not had a moment to play with this - but I hope to soon.</p><p></p><p>Here's what I gather from my reading so far. The issue is with the ACR/LR engine and how it interprets the RAW file. For some cameras and makes the issues seem to be minor while for others, and for Fuji in particular [USER=3903]@Marcel[/USER], they seem to be systemic. Regardless, ACR/LR does nothing <strong><em>to</em></strong> the RAW file (it's not an import issue), it just does not give you a "clean and proper' starting point for your edit. This could happen with <em>any</em> RAW editor and they all likely have their issues as it seems most have to figure out the RAW format post-release and adapt to it because Nikon doesn't share, which is why we all go to ViewNX2 first when we get a newly released body. </p><p></p><p>Tip for ACR/LR users - if you only shoot RAW then choose Camera Standard or Neutral and then change your LR import to apply that profile post import since Adobe Standard is the default (this is likely <em>the biggest reason</em> folks say their RAW files look different after import). Also turn off <strong><em>every</em></strong> jpeg modifying option (sharpening, High ISO NR, distortion correction, vignette control, Active D-Lighting, etc.) in the shooting menu. This way you're starting with something that should more closely resemble what you see on the back of your camera. </p><p></p><p>How do you know if this is happening with your camera? Two ways. First, <u>if you've done everything above</u>, shoot RAW+JPEG and import them both and compare . If they're <em>way</em> off then there's likely something going on in the RAW interpretation. Second, compare what you see in ACR/LR with what you see opening in ViewNX2. It's best if you shoot a set of photos all of the same subject in the same conditions and vary ISO as it seems some issues only show themselves at extremes. If there are differences then there's something different going on in the LR/ACR interpretation. </p><p></p><p>I'm not saying that's a "problem", just that there's a difference. The RAW file is just a starting point and provided that it doesn't look "off" you're fine because your adjustments will "fix" whatever there was to begin with. The <em>problem</em> exists only if there's work you need to do just to get a "normal" looking starting point. In those cases there are a few things you can do. One, just keep dealing with it as you have - it's a pain, but nothing new for you. Two, change your RAW file editor to something more native to your file type - an easy solution but one that can piss you off if you're heavily invested in Adobe stuff (like me). Three, use tools like the ones linked above to discover what the differences are and attempt to build a custom profile that will correct for it using Adobe DNG Profile Editor. </p><p></p><p>This third option is something I'm going to explore if I can identify an issue with my D750 files. I've already used the profile editor in a very simplistic way to fix the White Balance issues Nikon cameras have with Infrared conversions, but with the information I'm seeing available in the RawDigger software I suspect that I can use the information gleaned from that to create a custom profile for the camera. </p><p></p><p>BTW, if you've never used it, the profile editor a great tool for getting WB spot on in specific lighting using a ColorChecker Passport or similar product.</p></blockquote><p></p>
[QUOTE="BackdoorArts, post: 508420, member: 9240"] I'm finishing up a bunch of work in prep for a couple weeks off over Thanksgiving, so I've not had a moment to play with this - but I hope to soon. Here's what I gather from my reading so far. The issue is with the ACR/LR engine and how it interprets the RAW file. For some cameras and makes the issues seem to be minor while for others, and for Fuji in particular [USER=3903]@Marcel[/USER], they seem to be systemic. Regardless, ACR/LR does nothing [B][I]to[/I][/B] the RAW file (it's not an import issue), it just does not give you a "clean and proper' starting point for your edit. This could happen with [I]any[/I] RAW editor and they all likely have their issues as it seems most have to figure out the RAW format post-release and adapt to it because Nikon doesn't share, which is why we all go to ViewNX2 first when we get a newly released body. Tip for ACR/LR users - if you only shoot RAW then choose Camera Standard or Neutral and then change your LR import to apply that profile post import since Adobe Standard is the default (this is likely [I]the biggest reason[/I] folks say their RAW files look different after import). Also turn off [B][I]every[/I][/B] jpeg modifying option (sharpening, High ISO NR, distortion correction, vignette control, Active D-Lighting, etc.) in the shooting menu. This way you're starting with something that should more closely resemble what you see on the back of your camera. How do you know if this is happening with your camera? Two ways. First, [U]if you've done everything above[/U], shoot RAW+JPEG and import them both and compare . If they're [I]way[/I] off then there's likely something going on in the RAW interpretation. Second, compare what you see in ACR/LR with what you see opening in ViewNX2. It's best if you shoot a set of photos all of the same subject in the same conditions and vary ISO as it seems some issues only show themselves at extremes. If there are differences then there's something different going on in the LR/ACR interpretation. I'm not saying that's a "problem", just that there's a difference. The RAW file is just a starting point and provided that it doesn't look "off" you're fine because your adjustments will "fix" whatever there was to begin with. The [I]problem[/I] exists only if there's work you need to do just to get a "normal" looking starting point. In those cases there are a few things you can do. One, just keep dealing with it as you have - it's a pain, but nothing new for you. Two, change your RAW file editor to something more native to your file type - an easy solution but one that can piss you off if you're heavily invested in Adobe stuff (like me). Three, use tools like the ones linked above to discover what the differences are and attempt to build a custom profile that will correct for it using Adobe DNG Profile Editor. This third option is something I'm going to explore if I can identify an issue with my D750 files. I've already used the profile editor in a very simplistic way to fix the White Balance issues Nikon cameras have with Infrared conversions, but with the information I'm seeing available in the RawDigger software I suspect that I can use the information gleaned from that to create a custom profile for the camera. BTW, if you've never used it, the profile editor a great tool for getting WB spot on in specific lighting using a ColorChecker Passport or similar product. [/QUOTE]
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