The script applies to all *.NEF files in the current folder. Heif-enc -q 50 -b 12 /tmp/$file.png -o $file.heifĮxiftool -overwrite_original -TagsFromFile $file $file.heif Rawtherapee-cli -b16 -d -n -o /tmp/$file.png -c $file I agree on statement about the broad question.įor those who believe HEIF is the best way to go and really need to save some disk space, here's a script tested on Linux (Mint 21). They could sit in a drive on a shelf for decades in case you ever change your mind. Whether it's worth keeping the originals - well, HD storage is cheap as dirt these days. Your best bet to make any sort of judgement call without extensive editing/research is to grab a semi-random selection of a couple of dozen pics of different types of subject in different types of light & throw each as a batch through your potential conversion alternatives. If you want something to convert to other than JPG or TIFF like JPEG2000 or HEIF/HEIC then you're going to have to use a non-Nikon app & sacrifice Capture's knowledge as to what the picture 'ought' to be. CaptureNX-D knows exactly what the camera was set to at the time & can reproduce it exactly - assuming your screen is correctly calibrated, otherwise all bets are off. Consider JPG to be 8-bit for practical purposes. It technically supports 12-bit but most apps don't, so that's probably out. This is very broad & ultimately you're going to have to make the call yourself… getting the best bitmap possible in order to discard the original. This question is similar, but outdated as well as a slightly different use case - uploading duplicates at non-specified quality vs. Is there a reason for me to keep the images in NEF instead of converting them?.Should I just optimize for best images instead of closest to in-camera rendering? How can I do that without checking image-by-image that I like the result?.
Logically speaking, wouldn't I want to convert to 16-bit JPEG or even HEIF/HEIC to get better quality at lower sizes? (NX-D only offers standard JPEG.).Is it just that I have gotten used to seeing the MacOS rendering of the images over the years, but the NX-D rendering is more accurate to what it must have been on the camera screen?.I was thinking the best option would be to batch-convert with Capture NX-D, but it seems to mess with the colors compared to the standard NEF preview in MacOS (some problems I've noticed are less vivid colors, lost detail, lighter shadows, and temperature changes). I'd like to batch convert them to a bitmap format to save space, and I want them to look as close as possible to what the image would have looked like on my camera screen at the time (as I was probably optimizing for that). It's been 8+ years without me touching them, so I don't see a reason to assume I will ever process and edit them. I have ~9k NEF photos from a Nikon D5000 that are currently taking up ~100GB.
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