![]() Maybe Vuescans implementation of DNG is defying the purpose of DNG being an archival file format, but that is not solving my problem right now. Ed is not able to give a solution and regards these DNG's as being manipulated. ![]() This is causing Vuescan to only see the low res preview at 300dpi (my ACR workflow setting). These DNGs have been opened before in ACR and/or LR.Īccording to Ed Hamrick, the author and maintainer of Vuescan, once opened in ACR/LR a tag is written into the DNG, c716 for ACR and c717 for LR, alongside a low res preview (a 1:1 preview is in the LR database). However here comes the problem, the DNG's show up in Vuescan as only 300dpi (originally scanned at 4000dpi) and the resulting TIFF is very tiny and unusable (pixilated). Not wanting to rescan many strips of film I decided to open them in Vuescan and save them out as tagged (prophoto and gray(for B&W)) TIFFs for postprocessing in ACR/LR. They are rendered untagged files, this is why you don't want to process them in ACR and LR. I now know this is not very wise if you want to postprocess in ACR and LR, because Vuescan DNG's are not real raws. I have a substantial amount of scans saved out as Vuescan DNG. ![]() I am having a problem with DNG's generated in Vuescan. ![]()
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