If you’re looking for a good scanner, I can recommend the CanoScan LiDE400. It’s cheap, good, and USB powered.

https://www.canon.co.nz/other-products/canoscan-lide400

Here’s a couple of test scans out of the box with MacOS Image Capture:

2400 x 2400 dpi

https://www.flickr.com/photos/20994543@N04/54930738184/in/dateposted-public/

4800 x 4800 dpi

https://www.flickr.com/photos/20994543@N04/54930800460/in/dateposted-public/