You absolutely do not need Lens Exif Data to use Match Total Exposures to make stunning day to night time lapse. After that LRTimelapse will as well calculate the inbetween values when applying the Auto Transition. The trick is to match the exposures of those adjacent Key Frames either via Match Total Exposure in Lightroom, or manually in Lightroom (easy as well). This gives you "jumps" in the blue curve, LRT's "Auto-KeyFrames" will mark them with the orange Key Frames. Here you shoot in M-Mode, and change shooting parameters from time to time.
LRTimelapse will than calculate all inbetween values.Ģ.) With my "Holy Grail" method explained in the Holy Grail video and my EBook. You edit them to reflect the development you would do at that stage and than you connect them with the Auto-Transition. In this case you just need the "blue" single keyframes. EXIFTOOL saw the two edited files as being the same but LR would only recognize the one it edited.Hi, basically there are two ways of shooting those transitions from day to night.ġ.) With Aperture Priority and the camera adjusting Time/Iso, or a Bulp ramping device: this will give you a fairly smooth blue curve in LRTimelapse with no jumps in exposure. I took two image files and one I edited with EXIFTOOl and one with LR then I compared them both in each of the programs. Why are you adding keywords with Exiftool and not with LR? LR probably puts them in the XMP section of metadata not in the EXIF section but double check. You are probably putting them somewhere where LR doesn't expect them so they don't show up. Then look at the file using Exiftool to see where the tags have been put. Phil Harvey provided a table of Adobe specific tags, but I don't see anything about Subject. I have posted about it, but there's no point rehashing the subject. Lightroom is known to play fast and loose with camera EXIF tags. I'm using JPG original images not raw, and yes, I did a metadata read and it had no effect.Īll I can think of is that LR is using some LR proprietary tag other than HierarchicalSubject. You can use the read metadata from file command in LR to force it to look at the files for metadata instead of the catalogue. Not a wild guess and actually you are correct. If that's the case, make sure you make any changes to the EXIF data in the original files prior to import. ORF file it doesn't look for or see the changes, just getting whatever's in the catalog from the original import. Perhaps LR is grabbing the EXIF info on import and storing it in the catalog, and if you subsequently modify the original.
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