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Introduction and description
The Vision 3AS, 5AS, 8AS and 10AS pan and tilt heads have been designed to support and per-
fectly balance a range of professional digital video cameras weighing up to 14.5 kg (32 lb). The
Vision AS pan and tilt head is equipped with a quick release side-loading camera plate that allows
operators to easily and quickly setup and remove the camera. Levelling the head is achieved us-
ing the level bubble that can be illuminated when setting up at locations with low lighting levels.
The placement of the pan and tilt brakes, drag controls and counter balance allows the operator
to easily adjust the settings whilst operating the camera.
Balance
The AS head provides infinitely adjustable balance, allowing operators to adjust the amount of
counter balance required using the Perfect Balance control
(3)
located on the right-hand-side of
the head. Maximum and minimum payloads that can be balanced are dependent on the weight of
the camera and accessories fitted, and on the centre of gravity (C of G) height. The balance
graphs
(Fig.
8,
Fig.
9,
Fig. 10
and
Fig.
11) illustrate the range of load and C of G height that can
be maintained in balance.
Pan and tilt drag
Both pan and tilt mechanisms incorporate the patented Vinten lubricated friction (LF) system to
ensure smooth movement of the camera about these axes. The pan and tilt drag is adjusted using
the pan drag control
(7)
and tilt drag control (11).
Pan and tilt brakes
Both pan and tilt brakes allow each axis on the head to be locked at any chosen position. The pan
brake lever
(10)
and tilt brake lever
(12)
are located on the left-hand side of the head.
Illuminated level bubble
An illuminated level bubble
(9)
is located to the rear of the head on the left-hand side. In situations
of low light, the level bubble can be illuminated by pressing the switch
(8)
located underneath the
level bubble. The level bubble will be illuminated for approximately 20 seconds. The battery for
the illuminated level bubble is fitted in the battery compartment located at the front of the head
(1)
behind the Vinten label.
Camera mounting
The camera is attached to the head using the new side-loading slide plate (16), which allows the
camera to be rapidly setup and removed. The side-loading slide plate
(16)
is attached to the cam-
era and then loaded from above into a side-loading clamp mechanism and secured in position by
the slide plate clamp (13). The slide load release
(14)
allows rapid removal of the slide plate
(16)
from the head by lifting the camera upwards.
The head is supplied with a 1/4 in. screw and pin adaptor to suit most lightweight camcorders and
two 3/8 in. camera mounting screws. When not in use, the 1/4 in. screw and pin adaptor, and 3/8
9
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