Hi RikkTheGaijin,
Thanks for reaching out about transferring videos and their resulting quality. We can help with this.
Which program are you importing the videos into, iTunes or to your Photos app?
If you take a look at the bottom of this section of the article, it gives you steps to choose the format they are imported with. Check to see if this is selected.
You can import photos to your PC by connecting your device to your computer and using the Windows Photos app:
- Make sure that you have the latest version of iTunes on your PC. Importing photos to your PC requires iTunes 12.5.1 or later.
- Connect your iPhone, iPad, or iPod touch to your PC with a USB cable.
- If asked, unlock your iOS or iPadOS device using your passcode.
- If you see a prompt on your iOS or iPadOS device asking you to Trust This Computer, tap Trust or Allow to continue.
Then, visit Microsoft's website to learn how to import photos to the Windows Photos app in Windows 10.
If you have iCloud Photos turned on, you need to download the original, full resolution versions of your photos to your iPhone before you import to your PC. Find out how.
When you import videos from your iOS or iPadOS device to your PC, some might be rotated incorrectly in the Windows Photos app. You can add these videos to iTunes to play them in the correct orientation.
If you're having trouble importing photos from your iOS or iPadOS device to Windows 10, try these steps:
- On your iOS or iPadOS device, open the Settings app. Tap Camera, then tap Formats.
- Tap Most Compatible. From now on, your camera will create photos and videos in JPEG and H.264 formats.
Learn what to do if you can't import photos from your iPhone, iPad, or iPod touch to your computer."
Take care.