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-   -   GH1/2 3D Controller (https://www.dvinfo.net/forum/3d-stereoscopic-production-delivery/506793-gh1-2-3d-controller.html)

David M. Cole April 9th, 2012 07:20 PM

GH1/2 3D Controller
 
Applied Logic Engineering, Inc. has built a sync controller around the basic power-sync process that all the GH 3D'ers are using. This is a preliminary run-thru of the bare board:


I should have a first article to test very soon. I'm fairly confident in the design as I've been in touch with the good folks at Applied Logic from the very beginning. I basically begged this product into existence.

Hopefully a ready-made controller will open GH1/2 3D up to more users!

Chris Hurd April 9th, 2012 08:15 PM

Re: GH1/2 3D Controller
 
David -- try that URL again, please

Just use the standard YouTube URL, nothing fancy. It will automatically embed a player right in your post.

Thanks again,

David M. Cole April 9th, 2012 08:44 PM

Re: GH1/2 3D Controller
 
Fixed URL - thanks!

Chris Hurd April 9th, 2012 09:28 PM

Re: GH1/2 3D Controller
 
Well actually no, a youtu.be link won't do -- like I said, it needs to
be the actual youtube.com address, in other words the direct URL
of the clip in order for the player to be embedded here automatically
-- but I edited it for you so we're good to go!

David M. Cole April 9th, 2012 10:20 PM

Re: GH1/2 3D Controller
 
Thanks again.

Chris Hurd April 9th, 2012 11:25 PM

Re: GH1/2 3D Controller
 
Excellent concept, by the way... please keep us advised of this project!

Pavel Houda April 9th, 2012 11:57 PM

Re: GH1/2 3D Controller
 
Very nice, clean and complete implementation David. Inoue-san who does lot of cool 3D for a long time now had a system working on the same principle and had excellent results:
. He didn't have the skew display though. This should be very nice. How do you re-sync? Do you recycle camera power? I cannot find the implementation on their web site. This could make for a cool mirror rig. Thanks again.

David M. Cole April 10th, 2012 06:13 AM

Re: GH1/2 3D Controller
 
Yes - you power-cycle to re-sync.

There are a group of GH1 and GH2 users that have been using this process for stereoscopic shooting for quite some time. I have 2 mirror rigs based on GH2s at the moment. There are some limitations - but - the price to quality ratio simply cannot be beat.

Lots of details here - 3D

Pavel Houda April 10th, 2012 10:20 AM

Re: GH1/2 3D Controller
 
I noticed that the two cameras booted at 2.3ms skew and drifted to 3ms fairly quickly. How typical is that? My system generally stays below 0.5 ms for about 5 minutes. Others have even better results. I generally try to stay below 1.5 ms of skew (about 10% of frame time @ 60p), otherwise motions such as people waving become troublesome. What is your experience and opinion?

David M. Cole April 10th, 2012 03:14 PM

Re: GH1/2 3D Controller
 
This demo was actually taped with only 1 GH1 - the v-sync was simulated. I typically see less than .05ms mis-sync on initial startup.

Pavel Houda April 10th, 2012 07:18 PM

Re: GH1/2 3D Controller
 
That is most impressive! Thanks for sharing the info.

Bruce Schultz April 12th, 2012 03:16 PM

Re: GH1/2 3D Controller
 
David, will this controller work with firmware hacked GH2's? Also, what is the target delivery date and price for this controller, if you know?

David M. Cole April 13th, 2012 07:49 AM

Re: GH1/2 3D Controller
 
It absolutely DOES work with hacked GH1s and 2s. In fact, I don't know anyone shooting 3D with either camera who hasn't hack them. I have GOP1 hacks (Driftwood) on a pair of GH2s on a mirror-rig right now. It's a B-rig to my Scarlets - and it does an amazing job!

Applied logic will be issuing a press release with pricing and availability in the next few days. I'll make sure it gets posted here.

Neil Richards April 15th, 2012 07:52 AM

Re: GH1/2 3D Controller
 
I like this. More info please.

David M. Cole April 30th, 2012 09:15 AM

Re: GH1/2 3D Controller
 
Quick status update.... My test copy is in bound now. As soon as I can get it tested, Applied Logic will open up the order page. Should be just a few days. The user guide is available now...

Panasonic GH1/GH2 Dual Camera Controller


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