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How To Genlock RED for 3D

Here is a little information I’ve collected on how to sync up (genlock) two RED cameras- if anyone has any suggestions for revision, feel free to leave a comment and it will be updated.

(note this is confirmed to work on BUILD 21)

AJA Gen10 (runs around $320 on the B&H website)

You need a tri-level sync generator (AJA GEN10 recommended by REDUSER members), Build 21, BNC to DIN 1.0/2.3, and (2) Red Cameras

1) Enable GENLOCK which is located in the sensor -> shutter menu shown below.

You can find GENLOCK in the SENSOR menu

Connect a lead to a tri-level sync source (such as a Lockit or AJA Gen10). The camera has a DIN 1.0 /2.3 connector – you will need an adapter lead to BNC.

GENLOCK INPUT (E) is located on the right side of the RED body

When operating at 23.98, 24.00, 25.00 or 29.97 Project Time Bases, set the genlock  box to the same frame rate as the project TIME BASE. Do not use PsF or interlaced signals.

settings for different framerates and sync boxes @ http://www.petergray.org/lockits.html

If everything is working, a genlock icon (padlock) should appear in the top of the GUI (graphic user interface).

Camera Team, we will probably be having a quick workshop on this as soon as possible.

  1. Natasha
    February 27, 2010 at 12:58 pm

    Just out if curiosity, where do we put the sync generator while we film? In a rigging on the side of the camera?

  2. aaroonski
    February 27, 2010 at 5:42 pm

    It’s not that big from what I can gather, so we could just fasten it to the rig. It shouldn’t be a problem.

    • nnarkiewicz
      March 1, 2010 at 8:13 pm

      what rig are we using? We don’t know that we will be able to fasten it to a rig. Mark said we have a sled.
      I imagine the 3d-ss pro rig to be like what Mark means, which is literally just a sled.
      Now if we had a 3d-bs pro, you can attack a lot of stuff to that.
      I don’t think it’s safe to assume anything. We need to see the equipment before we make any calls.

  3. nnarkiewicz
    March 1, 2010 at 8:10 pm

    I read this post about genlocking red cameras – apparently you can put one camera is Master mode and one in slave mode with a USB. I’m not really sure about the hook up but check it out, it’s interesting.


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