There are dedicated 35mm film scanners available and you will find flatbed scanners with film scanner adapters.
The dedicated film scanners are easier and quicker to use.
You will notice some familiar names, such as Nikon, Canon, Minolta.
A 35mm scanner should be able to scan at 2400 dpi or higher.
Here is a place to get you started:
Have several quality film cameras. Need best methods to digitize film and get some use from equipment. / HT