How to convert Sony camcorder 1080i AIC .mov files to work with Photos app?

I have a Sony SDR-HD10 camcorder from 2008. It records in 1080i format, and I exported to .mov using the Apple Intermediate Codec, Linear PCM, Timecode format, 1920x1080; Color Profile HD (1-1-1); 2 channel audio.

I have 121 files totaling 105GB. These files all play fine in iMovie. BUT - when I open them in Quicktime X for Yosemite, it converts them into a file that is about twice the space on the drive. The resulting file is Apple ProRes 422, Linear PCM, Timecode, 1888x1062. It also resets the created and edited date/time.

I looked at each video and the resulting quality is about the same.

How can I convert these files into something that Photos will like, but not double in size?

Also, I should point out that I'm not certain I should be using Photos for movies. I used to use iPhoto for pictures, and iMovie for movies, but hardly ever cared to edit videos and thought iMovie was too bulky and confusing for general playback. With Photos, it will upload everything to the cloud (and I'm paying for it), so i can use Photos as my canonical source for all movies and pictures. I have iTunes Match, and my email is hosted by Google, so I'm getting closer to having everything in the cloud. so far, i haven't gone all in with Dropbox for documents, probably because I'm too paranoid about corruption on a remote device like that if there is any concurrent access.