Looking at camcorders some are having slow motions stuff only to 50p video.
Looking at like Canon XF400.

But the XA11 has slow motion stuff at 25p - no clue why they do this.

What are the implications only doing rest of film 25p - conversions?

Would that be destructive conversion of 50p section - or just change of a fps value somewhere?
I don't mind the slow motion to be yet two times slower, than if 50p playback.
I can mind that as I select the rate to record x2, x4 etc.

How do you handle this in editor mixing your ordinary 25p photage with this slow motion?

Thank you for any input.