Introduction; Perfect Balance; Lf Drag; Pan And Tilt Brakes - Vinten Vector 90 Instrucciones De Operación

English

Introduction

The Vector 90 pan and tilt head embodies a unique and patented spring counterbalancing mechanism, lu-
bricated friction (LF) drag assemblies for pan and tilt motions and an adjustable camera mounting plate.

Perfect balance

The spring counterbalancing mechanism comprises four springs operating against a three-dimensional
cam connected to the camera mounting platform. The balance mechanism is adjusted by a knob (5), situ-
ated on the right front lower part of the main body, which varies the mechanical advantage between the
cam and the springs. The knob has a 'push in and turn' action and is fitted with a clutch to prevent inad-
vertent damage to the balance mechanism.
Maximum and minimum payloads that can be balanced, and tilt ranges, are dependent on the weight of
the camera and accessories and on the centre of gravity (C of G) height.
The graph (Fig 3) shows the range of load and C of G height that can be maintained in balance. The shaded
area of graph corresponds to those load/C of G combinations that can be balanced over the full tilt range.
The area to the right indicate the progressively reducing tilt range with greater load and higher
C of G.
Where a load/C of G combination falls outside of the graph it will be necessary to increase or decrease the
weight or the C of G height - if possible - to enable the head to balance the load.

LF drag

Both the pan and tilt mechanisms incorporate the patented Vinten lubricated friction (LF) system to ensure
smooth movement of the camera about these axes and are fitted with control knobs (16, 17) to adjust the
drag setting.

Pan and tilt brakes

Friction brakes on each axis allow the head to be locked at any chosen position. The operating levers for
both brakes (6, 7) are located side-by-side on the right-hand side of the head.

Centre lock

A centre lock (4) allows the head to be locked in the horizontal position.

Illuminated level bubble

A level bubble (9), illuminated by pressing the illumination button (10), is fitted to the rear of the head. The
light will go out after approximately 15 seconds. The battery for the system is housed in a compartment in
the base of the head, closed by a cover (18).

Pan bar

Pan bar mounting points (15) are located at the rear of the head, on either side of the camera mounting
platform. A telescopic pan bar is supplied and is attached using a pan bar clamp, with angular adjustment
available on the mount serrations. A second pan bar may be fitted.

Wedge adaptor

The camera is attached to the head by means of a wedge adaptor (12), which is mounted on a graduated
sliding plate (11). The position of the slide plate is adjusted by a retractable knob (2) and a clamp (14) is
provided to hold the slide plate in position.

Four-hole mounting plate

The head is provided with a standard Vinten four-hole mounting plate (20), which includes a `Quickfix'
mounting and provision for use of a Mitchell adapter (19).
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