Sony DCR camera, iMovie video capture, via thunderbolt 3
I have an old Sony DCR-TRV18 camera that can run as VCR and output video via RCA. I'm trying to capture the video on my new MacBook Pro 16 running Big Sur. I have a RCA video capture cable that converts to a USB connection. The MacBook only has Thunderbolt 3 connections, so I have a USB3.0 adapter "dock" connection that plugs into the two thunderbolt connections on the side of the laptop. Needless to say iMovie or the laptop doesn't recognize the "VCR" camera.
The camera also has an i.Link connection too... Is there a way to get the MacBook to capture VCR video or a better way to make this work?
MacBook Pro