Combine 2 camera solves in Nuke ?

[lou4uandme]

Hello everyone,
I ran into a problem tracking a hand held shot. The shot is 100 frames long. From 1 -50, the camera just pans (No parallax) and from frame 51-100, the camera rotates & dollys (parallax).

So when I solve as FREE Camera, it fails from 1 -50.
If I solve as Rotation only, it solves but I loose the 3D movement from 51-100.

So I tracked frame 1-50 as a nodal pan (focal length was 63)
I then tracked Frame 50 -100 as free move (with fixed focal of 63 to match)

So my issue is, how the hell do I combine them into 1 camera solve? I am stuck on stupid.
Any help would be appreciated,
Thanks,

[Author]

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