oConnor 120EX Manuel
OConnor 120EX Pan and Tilt Head Operator's Guide, Part No. C1225-4980
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OConnor ® is a registered trademark of Vitec Group plc.
120EX Pan & Tilt Fluid Head
Operator’s Guide Part No. C1225-4980
Preface
Thank you and congratulations on the purchase your new 120EX from OConnor.
We want you to get the most from your new 120EX, and therefore encourage you
to read this operator's guide to familiarize yourself with its many features, some
of which may be new to you. It also covers essential health and safety
information and a section on maintenance that will ensure you keep your new
product in perfect condition.
Please register your purchase by completing the product registration form
online at http://registration.ocon.com
Features and benefits of your new 120EX
The 120EX head is the flagship of OConnor's new EXTENDED CAPACITY range
of fluid heads - the EX range. Based on the new patented EX-technology, this
head features a new kind of stepless counterbalance system as well as a new
ultra-smooth pan and tilt fluid drag designed for film style shooting.
OConnor's fluid heads are famous for ultimate control and stability for film style
shooting. Now, with the use of EX-technology, OConnor can offer the features it
has become famous for with the additional benefit of extended capacity. With a
new counterbalance mechanism at the heart of the EX-technology, the 120EX
can be boosted into EX-mode to achieve a whole new realm of counterbalance.
True and accurate balance is achieved through the sinusoidal EX-counterbalance
technology. The EX-drag technology is ultra-smooth and stepless - just what
OConnor is famous for.
The EX-Mode
Getting more than 100% is the best way to describe the EX-Mode on the new EX
range of fluid heads by OConnor. The EX fluid heads have a given payload range
for the ±90° tilt range. With traditional counterbalance mechanisms any payload
heavier than this maximum weight cannot be balanced. But with the EX range of
fluid heads, you can go far beyond that maximum payload by slowly limiting the
tilt range as the payload is increased. The tilt range is still an impressive ±60° at
the maximum payload of 240 lbs (109 kg). The full tilt range of ±90° is maintained
with payloads between 30-120 lbs (14-54 kg). All of these ranges are based on
an 8" center of gravity.
2
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Other Features
A collapsible counterbalance crank knob and digital readout make
counterbalancing the payload easy - even though the range is huge. The new
easy-to-use sideload mechanism features a push and turn platform knob with a
"pop up" gear to engage the camera mounting plate and adjust the platform fore
and aft easily and precisely. It is easy to move heavy camera payloads forward
and backwards on the head with this mechanism. Geared and non-geared plates
can be used on the platform.
OConnor's fluid drag system allows an extremely quick pan movement from one
position to another, recovering instantly without any spring back.
You can set up easily in low light conditions using the illuminated level bubble
and back-lit display.
Once again, thank you for choosing the 120EX. We are confident it will give you
many years of reliable performance.
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4
Safety - Read This First
Warning Symbols in this Operators Guide
Where there is a risk of personal injury, injury to others, or
damage to the pan and tilt head or associated equipment,
appropriate comments appear, highlighted by the word
WARNING! and this warning triangle symbol.
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Technical Data
Note: Payload capacity and tilt ranges are based on a C of G height of 8"
Payload Capacity: . . . . . . . . . . . . 30 - 240 lb (14 - 109 kg)
See counterbalance chart
Tilt Range: . . . . . . . . . . . . . . . . . . ±90° for payloads up to 120 lb (54 kg)
±80° for payloads up to 147 lb (67 kg)
±70° for payloads up to 188 lb (85 kg)
±60° for payloads up to 240 lb (109 kg)
Pan Range: . . . . . . . . . . . . . . . . . 360°
Height: . . . . . . . . . . . . . . . . . . . . . 9.8 in (24.8 cm)
Width: . . . . . . . . . . . . . . . . . . . . . 13.2 in (34.1 cm)
Depth: . . . . . . . . . . . . . . . . . . . . . 10.4 in (26.5 cm)
Weight: . . . . . . . . . . . . . . . . . . . . 34 lb (15.5 kg)
Operating Temperature Range: . . -40°F to +140°F (-40°C to +60°C)
Dolly/tripod fixing: . . . . . . . . . . . . Mitchell base
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Further Information
For further information or advice regarding this pan and tilt head, please contact
OConnor Engineering at:
Camera Dynamics Inc.
OCONNOR ENGINEERING
100 Kalmus Drive Costa Mesa, CA 92626
Tel: 714-979-3993
Fax: 714-957-8138
Camera Dynamics Inc.
OCONNOR ENGINEERING
2701 N. Ontario St Burbank, CA 91504
Tel: 818-847-8666
Fax: 818-847-1205
E-mail: [email protected]
Or visit our website www.ocon.com and use the contact form.
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Contents
Preface ...............................2
Features and benefits of your new 120EX . . . . . . . . . 2
The EX-Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Other Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Safety - Read This First . . . . . . . . . . . . . . . . . . 4
Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . 5
Further Information . . . . . . . . . . . . . . . . . . . . . 6
Contents..............................7
Introduction ...........................9
Extended Capacity Balance . . . . . . . . . . . . . . . . . . . 10
Digital Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Ultra Smooth Fluid Drag . . . . . . . . . . . . . . . . . . . . . . 10
Pan And Tilt Locks . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Tilt Lock Pin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Illuminated Bubble Level . . . . . . . . . . . . . . . . . . . . . . 11
Handle Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Camera Mounting Platform . . . . . . . . . . . . . . . . . . . . 11
Mitchell Mount . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Operation ............................12
Installing The Head . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Handles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Eyepiece Leveler . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Mounting A Camera . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Stability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Balancing The Head . . . . . . . . . . . . . . . . . . . . . . . . . 14
Fore And Aft Balance . . . . . . . . . . . . . . . . . . . . . . . 14
Payload Weight And C of G Height Adjustment. . . . . 16
Locking The Platform. . . . . . . . . . . . . . . . . . . . . . . . . 16
Pan And Tilt Locks . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Pan And Tilt Fluid Drag . . . . . . . . . . . . . . . . . . . . . . . 17
The Balance Display . . . . . . . . . . . . . . . . . . . . . . . . . 17
Low Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
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Servicing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Routine Maintenance. . . . . . . . . . . . . . . . . . . . . . . . . 18
Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Battery Replacement . . . . . . . . . . . . . . . . . . . . . . . . . 19
Balance Mechanism Calibration . . . . . . . . . . . . . . . . 20
Adjusting The Lock Levers . . . . . . . . . . . . . . . . . . . . 20
O.Connor Contact Information. . . . . . . . . . . . . . . . . . 21
Headquarters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
USA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
China . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
France . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Germany . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Japan. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Singapore . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
UK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
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Introduction
The 120EX pan and tilt head embodies: a unique and patented EX-counterbalance
mechanism for true and accurate balance; EX-drag assemblies for ultra-smooth pan
and tilt motions; and an adjustable camera mounting plate.
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Extended Capacity 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 the counterbalance crank on the lower
left rear of the head. The knob has a retractable handle and the 'push in and turn'
action uses a clutch to prevent inadvertent damage to the balance mechanism.
Adjustments should only be made with the platform in the horizontal position.
Maximum and minimum payloads that can be balanced, and tilt ranges, are
dependent on the weight of the camera and accessories and on the center of
gravity © of G) height. The graph below shows the range of loads and C of G
heights that can be maintained in balance. At the lower end of the weight range
the full ±90 degree tilt range is available while at the maximum load the tilt range
is reduced to ±60 degrees.
Digital Display
The digital display indicates the setting of the balance mechanism on a scale of
0-182%. Press the display actuator button to illuminate the display and adjust the
counterbalance crank. At settings above 100% the EX indicator will turn on to
alert you to the reduced tilt range. The display turns off automatically
approximately 15 seconds after you stop adjusting. The display dims in dark
surroundings.
Ultra Smooth Fluid Drag
Both the pan and tilt mechanisms incorporate OConnor's ultra smooth fluid drag
to ensure smooth movement. The pan and tilt drag adjustment knobs are on the
right side of the head and are continuously adjustable from 0 to 9.
Pan And Tilt Locks
Friction locks on each axis allow the head to be locked at any desired position.
The pan and tilt lock levers are on the left-side of the head.
20 40 60 80 100 120 140 160 180 200 220 240 260 280 300 320
9 18 27 36 45 54 64 73 82 90 100 109 118 127 136 145
12
10
8
6
4
2 51
102
152
203
254
305
0
CAMERA WEIGHT
in mm
lbs
kg
min. 90º 80º 70º 60º
COUNTERBALANCE
±º
EX MODE
120EX
CAMERA CENTER OF GRAVITY
ABOVE PLATFORM
±90° MODE
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