In article , Alan Browne
wrote:

tl;dr - get a scanner.
Ok. If using a scanner, is your recommendation to remove the film
from the frame or can it be be scanned as is?


I use an Epson Perfection V800 Photo, which can take 12 2 inch slide
frames (no need to remove the film) or 3 strips of 6 35mm negatives
at a time, as well as medium format and 4x5 inch negatives. Lots of
good software features.

At what resolution?


From the datasheet downloaded from the Epson website:

Perfect for helping life-long photo enthusiasts and photographers
convert their film and images into high-quality digital media
Convert all your treasured memories to digital using this
professional-quality, 6400dpi scanner. The V800 requires virtually no
warm up time and includes high- quality film holders to help deliver
fast, high-quality results. For improved clarity, dust and scratches are
automatically removed from film and photos.

Choice of resolution
The V800 features a dual lens system that automatically selects the
optimal lens, with up to 4800dpi optical resolution for reflective photo
scanning and 6400dpi when scanning using film holders.

Yet, I seem to recall in comparison to dedicated scanners the results
were somewhat soft v. 4000 dpi scanners such as Nikon (4000, 8000, 9000).

they are definitely soft when scanning film compared to a good film
scanner.

the problem is that he wants to scan prints by mounting a camera on an
enlarger base, thereby making it into a copy stand.

a nikon coolscan 4000/8000/9000 will not work.

in this case, a flatbed scanner is the appropriate choice.