How to transfer mini DV tapes to MacBook Pro 2020

Connect your camcorder to your Mac with Firewire out of the camcorder and then add the necessary adapters to plug into your MacBook Pro Thunderbolt or USB-c ports. It may require more than one adapter.

Take a look at this thread for more info:

Importing mini DV tape from Sony Handy-ca… - Apple Community

-- Rich

It's a project. If you don't have the equipment, time, and (possibly) video knowhow, you might be better served using a service akin to Legacybox.

See if this resource helps: https://forums.macrumors.com/threads/updated-old-video-tapes-conversion-via-thunderbolt-firewire-for-camcorders-video-decks-and-players-that-supported-ieee-1394-firewire-ilink.2321691/