4.17 does not allow for camera import.
If multiple cameras are imported into sequencer, all cameras Current Focal Length change to match the newest imported camera.
Mentioning Jira: [Link Removed]
Expected: Each imported camera keeps its own Current Focal Length and is not changed to match any imported camera
Results: Current Focal Length changes to match an imported camera so all imported cameras match whichever camera was imported last
There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-52997 in the post.