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Arri Alexa LF


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Starting a project using Alexa LF cameras. Anything unusual about the Time Code connection, or is it just the usual 5 pin Lemo?

 

I looked at Arri's website and only came across the usual sales info, but nothing specific about TC connections.

 

Best 

 

Jim Rillie

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  • 3 weeks later...
On 3/7/2019 at 10:35 AM, Jim Rillie said:

and no audio needed

I always feel it is a bit risky and tempting fate to rely purely upon only timecode without at least a small mini scratch mic? 

What happens if one day (or week! If they're not doing dailies to check) the timecode fails, be it due to human error, gremlins, or a buggy camera. (I'd hate to be the first person to discover a hidden timecode bug on a brand new camera that had just been released!)


As you'll then be putting the assistant editor through torture as they line up the clips one by one. 

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58 minutes ago, IronFilm said:

As you'll then be putting the assistant editor through torture

To add:

(Since I've encountered this torture...)

As a second backup, re-route TC to a spare audio input.

Then the third backup, make sure all devices have their time / date set correctly.

If everything fails, you have at least file creation time / date that brings you in sync approximately just one or two seconds off.

(If the file format does not contain a record timestamp internally, make sure you offload retaining the OS time/date!)

 

 

 

 

 

 

 

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11 hours ago, Bouke said:

 

To add:

(Since I've encountered this torture...)

As a second backup, re-route TC to a spare audio input.

Then the third backup, make sure all devices have their time / date set correctly.

If everything fails, you have at least file creation time / date that brings you in sync approximately just one or two seconds off.

(If the file format does not contain a record timestamp internally, make sure you offload retaining the OS time/date!)

 

 

That is a really smart idea!!

 

As I often struggle to get a second back up option on an Arri. Because a set up to feed line level from a scratch mic many operators tend to find too bulky. A wireless camera hop is slimmer, but unfortunately many camera teams don’t even like that?!?!? But a Tentacle set to line level would be a perfect little back up set up as Aux TC

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1 hour ago, burton said:

I just saw that it does have an Audio In - but it's a LEMO 6pin balanced stereo line...?

 

Anyone familiar with that input? This is the first time I've heard of it. 

I think you are confusing the today announced MINI LF with the here discussed "BIG" LF.

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12 hours ago, John Blankenship said:

Yes, the full size Alexa LF has a 5-pin XLR input -- same as the previous Alexas.  As stated, the Alexa Mini LF is a 6-pin Lemo. 

  

ARRI is attempting to compete with RED for the most non-standard audio inputs.

 

 

 

https://www.facebook.com/DavidCMPeterson/photos/a.277946442237979/2435649033134365/

 

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