Is it possible to change camera tracking data after the track?

i'm doing "drone" shot in miniature set.  set included models placed on green screen, , intent have practical set photoshop matte painting elements.  eventually, decided drop practical elements, keep camera tracking data.  so, basically, have "real" camera move through 100% virtual set.

 

the whole thing looks great, except last couple of seconds.  need ever-s-slightly nudge camera it's pointing need point.  however, camera tacking data locked (in red) , can't manipulate values.

 

i can manipulate timing of keyframes, , i've done tweak camera's speed.  there seems no way control facing, however.

 

i redo camera move null object, lose "hand help" feel love much.

 

i'd appreciate thoughts!

why not parent camera null , keyframe in desired places? can set null @ focal distance of camera before parent camera if need control poi of camera.

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