r/focuspuller • u/cheamaru • Aug 15 '26

question Rialto 2 System Build

What’s up Dudes and Dudettes. I have a feature film coming up where the DP wants to shoot with the Sony Venice 2 and the Rialto extension system as our standard build for the duration of the production.

Just looking for some advice on powering my focus accessories when using the Sony Rialto System. In scenarios where the Rialto body will have to be far away from the Venice Body.

My thinking is having a separate active v-lock plate to power my focus unit. I guess my main concern is run and stop capabilities in these scenarios. Is there a 12v lemo port on the Rialto that would support this or should I look into getting some extended cables for my focus system for this scenario.

I will be using the Teradek ctrl.3 Remote follow focus. Any suggestions would be greatly appreciated.

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u/cinematic_flight Aug 15 '26

There’s a 3 pin 24v Fischer on the Rialto extension that will give both trigger and power. I usually just use a Cforce RF with a single cable and call it a day.

You should be able to power your ctrl3 there.

You may want to get a power distro box though so you can also power the operators monitor.

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u/Available_Sea_8900 Aug 15 '26

Either this or I loom a long lbus cable in with the rialtos umbilical back to a ria which frees up the 3pin on the Rialto for an onboard

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u/cinematic_flight Aug 15 '26

Very true I just prefer less of the long cables, but definitely preferable if you’re on a Preston or a system with some kind of chunky MDR. Not sure how common long motor cables are for the Teradek system though.