Has to be upscaling. Even PJ himself has confirmed in interviews that the post work was all 2K.
I still think it's more detailed than any non-digitally filmed blockbuster, and in HFR it's somewhat sharper looking than the average 24fps movie because of the lower amounts of motion blur.
I still think it's more detailed than any non-digitally filmed blockbuster, and in HFR it's somewhat sharper looking than the average 24fps movie because of the lower amounts of motion blur.