I use a Sony DSC HX90V camera. Photos won

If you look here:

https://www.sony.ie/electronics/cyber-shot-compact-cameras/dsc-hx90v

you'll see the camera is advertised as compatible with

Works with iMovie and Final Cut Pro X

This product is compatible with Final Cut Pro X and iMovie

I think these apps are the intended destination of the video so that you can edit it and export it to more compatible formats.

What exactly happens?

Do the videos import but not play?

Have you tried a card reader?

Hey there winus4u,

We understand you're experiencing an issue with importing videos to your MacBook Pro from your camera, and we'd like to share some resources that can help.

Check them out below:

Import photos from a camera or phone using Photos on Mac

How to copy pictures or movie files via a USB connection to a computer running on macOS

We hope this helps!