What version of Premiere Elements are you using and on what computer operating system is it running?
In the absence of that information, I will generalize. You can create slow motion in Premiere Elements in 3 ways in
Premiere Elements 11, 12, and 13
a. Time Stretch
b. Time Remapping
c. Interpret Footage
What do you want for your final export settings - 23.976/24 progressive frames per second or 50 progressive frames per second.
Are both with the same frame size, such as 1920 x 1080 or something else?
As a mini test run you could establish if you can create all your slow motion effects better within Premiere Elements instead of setting the camera to a slow motion setting to produce slow motion video.
Premiere Elements allows for one project preset. If you have more than one video format to import then you set priority, selecting one choice and fitting the other
into it. The video frame size and interlaced or progressive will be your targets in deciding the project preset.
Please review and consider. If any questions and need clarification, please do not hesitate to ask.
Thank you for the info.
I answer your questions: I have Premiere Elements 13 and Windows 7 64 bits pro. I prefer record all the clips in 1920x1080 resolution at 50p and export at the same resolution and frame rate.
Sorry, can you explain the difference between interlaced and progressive mode? How can it affect to the final result.