Getting started with Raw Therapee, having problems :-(

Processing
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I’m sorry to waste your time, but I can’t seem to get Raw Therapee to open my files. I went to Preferences and made sure the file type was checked (nef), but when I select a thumbnail and click Open, I get this message:“Cannot load image” followed by the path to the location of the file. I downloaded the Raw Therapee User’s Manual, but I am doing what it suggests (as I described above) and it still won’t open my files.

Is there a “Raw Therapee for Dummies” or some such source that will help me out? I’d really like to give up PS and all that, but if I can’t get RT to work, I’m stuck in an expensive program that I don’t like.

Any advice is greatly appreciated! If this is the wrong place for this type of question, please forgive me and direct me to the proper forum. Thank you.

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Hello @Sue

At work we own various Nikon cameras both Reflex (D700 - D850) and mirrorless (Z6-III). Their RAWs - NEF files work fine with the latest stable version of RawTherapee 5.11. Tested on Windows 10 and Windows 11.

Just take a look at this post just in case you have got the same problem as regards the NEF file your camera work with:

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Thanks for that. But my nef files don’t appear all black, they dono’t appear at all. I am using the Z9.

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PS. I downloaded version 5.11 two days ago.

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Are you using the High Efficiency Raw file format on your Z9? I don’t think that is supported.

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I was! I didn’t realize it, but apparently its some kind of cool feature in the Z9.

I changed raw recording to lossless compression, thank you!

That mean I have to re-shoot the images I took today (dang!)

My other question was, is there some sort of Raw Therapee for Dummies site? I don’t want to pester you with my newbie questions, but there is a lot of stuff that iosn’t explained in the user’s guide (like HE* raw). I’ll keep searching the 'net to see what I can find,

Thank you again for your helpful reply.

Susan

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While RawPedia is certainly not perfect, missing, as expected, this and that, the downloadable pdf looks to be very dated, five years old, so, when internet is available, I would not use it.

Welcome to the forum!

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Thank you. I did notice that it refers to version 3 and not 5.1.

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@Andy_Astbury1 has some great videos on YouTube.
https://m.youtube.com/results?sp=mAEA&search_query=Andy+Astbury+rawtherapee+

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Please continue to ask questions here! The Rawtherapee documentation is definitely a work in progress, and posting questions here will help identify particular issues that could use some improvement or clarification.

The developers and many experienced users are regularly in attendance in this forum, so it’s the best venue for these discussions.

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Thank you, Chaimav, I’ll check them out!

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If you can get a hold of a .dng converter, you might be able to convert those files to that format. RawTherapee should be able to take it from there.

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Deleted

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Sue’s replying through email. That’s probably just the default signature of the email client.

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