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Canon EU-V3 Expansion Back for C300 III / C500 Mark II

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Questions about this product?
  • 4-pin XLR DC power input for constant power-no need for batteries
  • Return video switching is possible via assignable button or lens zoom controller such as the Canon ZSD-300D
  • Tally signal
  • Input via Ethernet interface/XC protocol
  • RS-422 control interface (“Remote B” port)
  • RJ-45 Ethernet jack
  • 12V output via 4-pin Hirose interface
  • 12-pin interface for lens power
More Information
Product ConditonNew


  • New Expansion Back designed for small to mid-level live production
  • Compatible with C300 Mark III and C500 Mark II

Expands capabilities to include:

  • Return Video
  • Tally
  • 4-pin Hirose 12V Power Output
  • 4-pin XLR Power Input*

Carries over features of the EU-V2:

  • Servo Lens Power (12-pin)
  • Ethernet (RC-IP100/XC Protocol)• Remote B (RC-V100)
  • D-Tap power output
  • V-Lock battery support•
  • Assignable buttons (4)
  • Menu and joystick interface

Return Input

  • Switching of signals is possible via lens demand or from an assignable button. The return output destination can be selected from the VIDEO, EVF-V50, MON./HDMI and SDI OUT terminal.
  • Return signal provides Genlock (switcher dependent)


  • Tally received from XC Protocol
  • When tally is received:
  • Tally lights on the camera body display
  • OSD tally display
  • Tally is sent over 4-pin power output to an external monitor
WARNING: This product may expose you to chemicals which are known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov
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