Try:
_pos = getPos ldr1
_camera camSetTarget ldr1
_camera camSetRelPos [-1,1,0]
_camera camSetTarget _pos
_camera camSetFOV 0.485
_camera camCommit 0
@camCommitted _camera
The reason for setting the target twice is so the camSetRelPos works as you expect (ie on the unit not on a map location)