...my relatively ancient D800...
Launched five years ago at $3000.
Launched five years ago at $3000.
Currently available for ~$600: https://www.ebay.com/sch/i.html?&_nkw=nikon+d800&LH_Sold=1&L...
Smartphones simply cannot resolve the same level of detail that a proper camera can, regardless of how many MP of resolution they provide. Computational AI helps a bit, but...