I've been lazy, and haven't taken the time to do it myself, but was wondering if you had photos of the same time-stamp, with both the original blu-ray, and the 4k/UHD blu-ray, to demonstrate the differences?I'm very attuned to the general concept that we often see what we want, or expect, to, and that visual memory may not be up to the task of this type of comparison. I also realize that there are challenges to using a photographic image to demonstrate differences that may in fact be clearly evident to the naked eye in real-time, but still thought I'd ask the question.And, to be clear, I'm in no way challenging your observations; I just think it could be an interesting exercise to make this type of comparison.Thanks.
Thanks for the reply and examples, Craig.You're absolutely correct that one would need the photos to be rigorously controlled: tripod mounted, full manual exposure, probably using Raw format, controlled conversion to jpeg, comparable white balance, etc.As you point out, this would be a time consuming process, and this is why I haven't gone through the process myself.At some point, my curiosity may outweigh my laziness, and I'll give this a try!
There's no question that there's a huge difference between the shots you've posted. The regular Blu-ray shots exhibit really poor shadow detail, and in several of the shots, the white balance seems way off (specifically, the 3rd set of shots, were the Blu-ray seems to show a magenta-type cast). The UHD shots look very natural, while the Blu-ray ones really look pretty poor.These are not the types of differences I would have expected to see, in terms of either resolution or color gamut.But as you pointed out, if the camera is in auto-exposure mode, and presumably auto white balance as well, the shots can't really be used to demonstrate the differences that are there.I'm really not trying to be difficult. And I probably shouldn't post until I've done the homework myself, and really have something to show or say.