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    Three Axes - All Inclusive
    The Wireless Compact Unit WCU-4 combines three axis of lens control with a lens data display in a compact and ergonomic housing. Weighing around 780 grams including battery, it’s one of the lightest hand units in its class, providing unrivaled comfort during a long working day.


    Vibrating Markers and Alerts
    Tactile vibrating feedback lets you keep your eye on the action in the most challenging situations. Operators can concentrate on the scene, knowing that the hand unit will vibrate to prompt them when markers are reached or when a camera alert occurs, such as for a nearly full recording media or low battery voltage.


    Backlit Focus Knob
    The new, super-smooth focus knob contains an integrated light source that shines through the wide, optionally pre-marked focus ring in low light conditions, thus providing clearly readable focus marks at all times. The friction of the focus knob can be easily adjusted to one’s personal preference without any tools. 


    Easy-to-Read Lens Data Display 
    Clearly arranged, easy-to-read lens and camera information is available on the large 3” display, along with data from optional ultrasonic distance measurement devices. The transflective display technology ensures perfect readability in all ambient lighting conditions. This feature will be available with ALEXA SUP 8.0 onwards.


    Pre-Marked Focus Rings 
    Lens settings can be mapped to a set of high quality pre-marked focus rings in metric or imperial scale. This feature will be available with ALEXA SUP 8.0 onwards.


    Personalized Settings
    Various parameters of the WCU-4 can be set up to one’s personal preference. These include the display arrangement, vibration patterns and programmable user button, to name just a few. You can save your preferred settings on an SD card, enabling you to immediately personalize any WCU-4, anywhere in the world. 


    Exceptional Quality and Service
    The WCU-4 is completely splash-proof and embodies the reliability and durability for which ARRI is famous. Wear and tear parts are replaceable at rental level, and the worldwide ARRI Service network ensures rapid second level support if needed. New firmware versions can be installed to the unit via SD card within seconds. 


    Optional ALEXA Camera Control
    An optional software license will enable you to remote control all ALEXA Plus type cameras. This includes setting frame rate, shutter angle, exposure index, false color on the monitor output, and more. Extended camera status information is also available, allowing you to quickly check your camera settings at any time.


    Directly compatible to

    • ARRI ALEXA Plus
    • ARRI ALEXA XT Plus
    • ARRI ALEXA Plus 4:3
    • ARRI ALEXA Studio
    • ARRI ALEXA XT Studio
    • ARRI ALEXA HD Plus
    • ARRICAM, ARRI 416PLUS, ARRI 435 Extreme equipped with white radio (basic functionality)
    • ARRI UMC-3A with white coded radio modem (basic functionality)
    • ARRI WZE-3 with white coded radio modem
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    compact LCS offers affordable quality, functionality and reliability. Ready-to-use 1 motor sets are available with either a cforce mini or cforce plus motor but can be upgraded to a 2 or 3 motor system easily at any time.

    Precise control for up to 3 motors is made possible in both wireless and cabled configurations through the ergonomic and easy-to-use hand unit. cforce mini and cforce plus motors provide outstanding performance and can be used in any combination through their smart daisy-chain connectivity.

    The lens handling license software* allows you to create, save and display 'real-time' lens data on the hand unit in a variety of colour themes to suit your shooting environment.

    With a wide selection of power supply cables and optional run/stop control for all of today's popular cameras, compact LCS is the smart choice.

    *cworld is needed to create and transfer lens files to compact LCS. Up to 14 lens files can be saved in the internal memory of the compact LCS hand unit

    NOTE: compact LCS is now available WITHOUT MOTORS - This set is ideal for customers who already own a number cforce basic, cforce mini and cforce plus motors but are looking for the additional flexibility of an additional but affordable system.


    handunit with knob, joystick and rocker switch for three motor control, including one cforce plus motor. Set includes:

    compact handunit with knob, joystick and rocker switch

    lens data license key*

    compact camin

    1 cforce plus motor kit (including butterfly clamp for 19/15mm rods, 0.8mm pitch gear)

    1 LCB-1 cable (motor cable 0.8m)

    1 RRS-7 cable (P-Tap power cable 0.8m)

    cfast rod connector (for 19mm/15mm rods)

    5 marker rings

    2 batteries

    battery charger


    compact travel case

    The compact LCS sets can be upgraded easily to a two or three motor control set by simply purchasing additional cforce mini or cforce plus motors and LCB motor cables. 

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    Manufactured in sleek black metal, this special edition of our ubiquitous studio follow focus
    unit combines a modern look with trusted engineering and a classic design.

    Main Features

    • Follow focus system for use with film and cine-style lenses
    • Gear ratio of 1:2 is appropriate for a wide range of lens barrel sizes
    • Choice of three different focusing knobs (standard, hard stop, 2-speed)
    • Compatible with ARRI lightweight support as a slide-on unit
    • With adapter, compatible with studio rods systems 15 and 19mm
    • Compatible with a wide range of ARRI driver gears and knob accessories
    • ARRI reversing gear set available for use with Nikon and Leica lenses
    • Economical and robust
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    Designed with maximum versatility in mind, the MFF-2 features interchangeable focus knobs and is available in two different bases; A cine style base with a 1:2 ratio, and an ‘HD’ varient which utilizes a 1:1 gear ratio for lenses with a shorter throw (such as HDSLR lenses).

    MFF-2 Cine Standard Set (K0.60148.0) consists of:

    • Mini Follow Focus MFF-2 Cine K2.65255.0
    • Focus Knob Standard left K2.65253.0
    • Focus Gear 0.8/43 teeth K2.47002.0
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