Manfrotto 303SPH Instructions page 9

2
AF
11
11
- LATERAL POSITIONING
(Ref. Figure 11): Choose a frame that contains both a near object "1" and a distant object "2" situated along the same horizontal line of vision.
1. (See Figure 11A and 11B): unscrew knob "AF" and move the camera around the panoramic axis so that the two objects are first on the left hand side of the frame, then on
the right. Check whether the horizontal gap "X" between the two objects varies in the two frames: the more constant the distance remains, the more accurately the "Nodal
Point" has been positioned.
2. For optimum results, make minor adjustments by moving plate "S".
Once the right position is achieved it is VERY USEFUL to memorise it by noting the position of the plate "S" on the index on the graduated scale.
1
S
9
X
2
1
11A
X
2
11B
1