Problems with D800 DX-crop HD-video-stills not working in LR 4 or 5 or ACR 7 or 8 despite ACR 7.1 supporting D800 DX and D800 HD separately

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Can someone confirm whether Nikon D800 raw files that were shot in DX mode but are also video stills with a 16:9 aspect--which leads to a 4800x2704 pixels size--are supported or not by Adobe products? And if not, I'd request that they be supported.

A forum user has asked why half of this NEFs from a D800 don't work in ACR 6.7 while the other half do.

The two NEFs that the user posted as examples of ones that don't work seem to have been shot with a DX lens but are also shot during a video so are 16:9 aspect. The NEF image pixel size is 4800x2704:

It doesn't seem to be a case of NEF corruption since other files that are not DX-HD format from the same camera and photoshoot do work ok in Adobe products, and all the NEFs from that photoshoot seem to work in other raw converters, specifically raw-therapee was tested.

Documentation at says the D800 was supported starting with ACR 6.7 and 7.1, and that HD-video-stills were not supported until ACR 7.1; however nothing is said about supporting DX-crop-mode raws that are also 16:9 video stills.

Since neither file will load in LR 5 or ACR 8 without saying they are from a camera that may not be supported, and since both files cause LR 4.3 and LR 4.4 to abort with a program error, it seems as though DX-HD mode NEFs are not supported.

For further research, here are the two files on the forum user's dropbox, used by permission, though they won't be available, forever:

And here is the Adobe Community Forums thread with the original discussion:
Photo of Steve Sprengel

Steve Sprengel, Champion

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Posted 5 years ago

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Eric Chan, Camera Raw Engineer

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Thanks Steve -- you are exactly right regarding the combination of DX lens + Live View Video mode. This problem will be fixed in the next dot release versions of Camera Raw and Lightroom (soon-ish).