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Longitudinal Positioning - Manfrotto 303SPH Instructions Manual

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10

- LONGITUDINAL POSITIONING

10
(Ref. Figure 10): Choose a frame that contains both a near object "1" and a distant object "2" situated along the same vertical line of vision.
1. (See Figure 10A and 10B): unscrew knob "W" and move the camera on the vertical plane to bring the two objects first to the top and then to the bottom of the frame, checking whether the
height gap "Y" 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 "F".
Once the right position is achieved it is VERY USEFUL to memorise it by noting the position of the plate "F" on the index on the graduated scale.
F
W
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1
Y
2
10A
1
Y
2
10B
ACCURATE POSITIONING
OF THE "NODAL POINT"
10 11
If the scene being shot contains objects at varying
distances from the point where the shot is being
taken (close and distant objects), the "Nodal Point"
needs to be more accurately positioned as follows
(this procedure is possible ONLY with reflex
cameras ):
Note:
- FIRST ADJUST LONGITUDINAL POSITIONING
- ADJUST LATERAL POSITIONING ONLY WHEN
LONGITUDINAL POSITION HAS BEEN SET

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