Video: what 3D tech challenges mean for documentary filmmakers

More from our stereographer Sean White and 3D technician Rory Lambert on a bunch of 3D gear we’re testing to film our first documentary in stereoscopy.

Yesterday I posted video of Sean – today, Rory’s in the spotlight (well, not really … he’s in our production house, working on gear, with no elaborate lighting. But he’s on his game):

3D HD growing pains: what they mean for event-based filmmakers

3D gear and data management: must knows for event-based filmmakers

Next: the C cam challenge.

Video: must-have gear for 3D documentary filmmaking

Filmed our stereographer Sean White and 3D technician Rory Lambert as they took on a bunch of 3D gear we’re testing to film our first documentary in stereoscopy.

Details: the B cam system we’ll use to film our first 3D documentary

The new run and gun: what it takes to get stereoscopic content in the field

How to: sync two cameras using a Transvideo Cineform 3D Monitor

Speedbumps are plentiful. But it feels great to finally be working with the gear.

Rock on.

Shooting a 3D documentary: Sony EX1’s genlock issue and how to get around it

I’ve turned to the Sony EX line to shoot B cam for our first 3D documentary, after we discovered that the two Canon 7Ds we planned to use can’t send an HDSDI signal to our Transvideo Cineform 3D Monitor.

Two Sony EX3s seem to be an intuitive choice, since this model has genlock in capability.

But we’re shooting an event-based explosive documentary series, Blowdown, in a derelict sports stadium in Salvador, Brazil, so having our gear as light and portable as possible is top priority.

Our stereographer, Sean White, hit the blogosphere to see if there was any way to lighten the load. He found a lead on DoP Alister Chapman’s blog.

It looks like we can pair one Sony EX3 with a Sony EX1: the EX1 lacks a genlock in, but according to Chapman only one of the cameras needs to have it … we can send signal from the EX1 into the EX3 and then send both to the monitor.

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3D documentary gear: the nano3D is in, Fujinon lenses are out

Success! We’ve tested the nano3D with our A cam system and it actually works! Looks like we’ll be able to usSuccess!

We’ve tested the nano3D with our A cam system and it actually works!

Looks like we’ll be able to use this little recorder deck to shoot our first 3D documentary later this summer.

But it did put up a bit of a fight …

And its functionality has made me aware of another part of the system that’s not going to fly – the stock Fujinon 2.8 mm and 4 mm lenses we planned to use with the Iconix sensors.

Here’s how it all went down:

The nano3D comes with a trigger remote, used to start and stop recording.

We hooked it up to our sensor/lens kit and the remote didn’t work.

Likely a consequence of being one of the first pre production models released and rushed to us … but a consequence we couldn’t afford.

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The nano3D recorder and documentary filmmaking: a match made in stereoscopy?

With our B cam system in transit, I’ve focused back to the A cam setup for our first 3D documentary.

Our A cam equipment will have to capture all of our B roll, etc. for the next episode of Blowdown – the implosion of a massive sports stadium in Brazil.

We’ve nailed down the basic footage-capturing plan – two Iconix sensors with Fujinon lenses on a side-by-side rig.

But the Iconix aren’t like normal video cameras – no tapes, hard drives or flash cards. They “see” the footage and then spit it out.

So where are we going to store it?

If this were a scripted production, shot in a studio or on a controlled set, a tape or digital recording deck with a large array would be the way to capture the footage at the 100 MB/S or more, the minimum bitrate we need to satisfy broadcast requirements.

But because the Fonte Nova demolition is event-based and will take place in an industrial worksite, we need a recording system that’s cordless, portable (not too heavy, cumbersome), and hearty.

I think the nano3D will satisfy these criteria for us – it’s a just-minted twin drive designed to record stereoscopically and keep everything in sync between the two cameras.

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