Thread: 3D Underwater: Gates - 3ality Kelp Forest Filming

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  1. #1 3D Underwater: Gates - 3ality Kelp Forest Filming 
    Senior Member Johnny Friday's Avatar
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    ...after over a year and a half in development, the Gates & 3ality 3d underwater camera system has hit the water. Further testing is being made locally by Bob Cranston to confirm depth rating and develop underwater procegers of this new underwater 3d system.
    To much the delight of myself, i've had the pleasure of working with John Ellerbrock and Bob Cranston who have taken this idea from design to splash down. I've come aboard in the past month and assisted Bob with deploying the rig for the second time into the kelp beds at Catalina Island. This is quite a technical achievement and once you understand the Atom rig itself, you then realize the complications of operating, setting alignment and stereo as well as, and most importantly the quality of 3d and various shots you can achieve.
    ....Bob and John both will have more to say about these and I'll assume they'll chime in on this. I can say that 3d is new to me and in fact quite easy to understand after shooting and working with the files. Like much other camera work you get it when you have enough hands on time.

    Recently we made a trip out to Catalina from July 17-20 and began shooting this rig from Bob's boat. Two of those three days we spent on learning alignment and making the rig more efficient (cabling/monitoring) . Keep in mind this is a completely new rig for us and most of the stereo-ographers working with the Atom rig can do this practically blind-folded. Divers need a few extra tries at it. That said, mission accomplished and alignment is quite easy once one has made thirty plus tries at it. I might mention that alignment is slightly different using the underwater Gates Controllers so this is another learned procedure that is not standard based on the 3ality controls....but, it is similar.

    Camera Setup currently inside of the Gates Deep Pulsar Atom (DPA) rig:
    *Epic cameras
    *Denecke sync device
    *Kramer video amplifiers
    *3ality FIZ control (w/hayden motors)
    *Stereo (convergence & I.O.) underwater hand controller
    *FIZ (focus, iris, zoom) underwater hand controller
    *External (underwater housed) Transvideo 12" monitor

    LENSES: just about any configuration of lens can be used on this rig. We chose to use Nikon Mount with Zeiss 18mm Prime lenses on this shoot, while most seem to prefer the Angenieux 16-42 PL lens combination to cover wide as well as medium work.

    ...We focused on very specific shots of animal behavior on a tripod 90% of the time and then did a few shots free swimming the housing around in the kelp. Shooting 3d and capturing good 3d is not one and the same. But on sticks underwater you have a number of better choices and options to accomplish this task underwater. This already a tried and tested method based on success by underwater legends like Howard Hall and Bob C. from their previous accomplishments.

    ...At the moment more testing and learning is in order and happening in California to perfect the procedures as well as the supporting equipment. Bob Cranston is working on further perfecting the ability to put this rig in action quickly and efficiently and perfecting those techniques to work in the field. We are training now and next few weeks on just those tasks and Bob is training other camera operators so that they can understand how to set up the rig and shoot the rig as well as maintain the rig in the field. I can say that it's a "required" course for anyone expecting to shoot this rig and certainly a pre-requisite for purchase or rent.

    The footage we recently shot is being processed in-house and will soon be available for download on the Gates, Bob Cranston and Baja Production web sites. I'll also post a notice on this thread to when the download is available. You will be able to download a side by side promo of the 90 second promo we intend to make.

    For more information on Rental, Purchase or Training: www.digital3Dsea.com <http://www.digital3Dsea.com>

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    John Friday
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  2. #2  
    Senior Member Jon Shaw's Avatar
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    Very cool Johnny,
    Jon Shaw

    ginclearfilm
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    Underwater production and services including Gates Deep Epic
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  3. #3  
    Senior Member Johnny Friday's Avatar
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    Just sharing some hopefully useful info....
    Expect for us to be evaluating and making changes to simplify as much as possible the new RIG. And many thanks go out to those involved and especially so to Chris Burket in Los Angeles.....a 3d Stereo, Rig Tech Guru who was extremely instrumental for Bob and I to sponge off his knowledge and learn as much as we did while 3 days in LA at 3ality.
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  4. #4  
    Senior Member Johnny Friday's Avatar
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  5. #5  
    Johnny,
    Thanks for posting. Looks like you guys had a nice couple days at Catalina. Looking forward to hearing more about the rig and your experience. I know less than nothing about 3D so an educational read. Thanks again.
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  6. #6  
    Senior Member Johnny Friday's Avatar
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    Quote Originally Posted by Jason Sturgis View Post
    Johnny,
    Thanks for posting. Looks like you guys had a nice couple days at Catalina. Looking forward to hearing more about the rig and your experience. I know less than nothing about 3D so an educational read. Thanks again.
    Jason,
    I am a recent convert of 3d....working merely as an a/c topside on a few days shoots. What i have learned recently working with Bob Cranston (Bob's history in underwater 3d speaks for itself working alongside Howard Hall) as well as Chris Burket (a 3d Rig Tech) was over the top. That coupled with 4 days of intense rig setup and working specifically with the Gates DPA housing...i've now opened a new door and can at least begin to grasp many of the techniques that make 3d underwater successful. This is all easy to understand when you are actually working and I'd go so far as to say breaking the rules and then learning from those mistakes.....I've fortunately had few mistakes working with Bob and get it after much more review in the editing room which is where i "almost" equally like to be after being submerged. Certainly the requirements to shoot at this level require a "crack" crew working in coordination. There certainly is no loan operator as many of us are used to when shooting under normal 2d circumstances and Nat. Hist.

    I'll try to assemble more notes as the journey continues and post as we go. Next up and important is to get the demo completed and available for download and review by those that wish to see the results. Now that 3d televisions seem to be flooding the market and are almost a norm. However, few new products seem to be available for the mass of 3d tv's.....
    John Friday
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  7. #7  
    Senior Member Pawel Achtel's Avatar
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    Johnny,

    My opinion was in relation to limitations of a flat port, not a beam splitter, which has its applications to reduce IA distance.

    You can have a beam splitter without having to use a flat port, which is precisely what we are working on at the moment (Dual DeepX with a wet beam splitter - still thinking of a name for it - suggestions welcome )

    BTW, as a clarification, the IA does not limit the closest subject distance, but rather the parallax caused by the distance between the closest and furtherst object in the frame. You can get very small parallax with large IA if there background is close or if there is no background at all (blue water).
    Pawel Achtel B.Eng(Hons) M.Sc
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  8. #8  
    Senior Member Johnny Friday's Avatar
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    ...and for those of us working tomorrow, we need a solution today. But point taken and i think we all get that R&D is continuing in everyone's backyard with new fixes to come for the factors that limit shooting good 3d. Yes, you can converge extremely close with a large I.A. if you have blue water great....there is nothing to deal with when comes to parallax, but that is merely "one" scene. Shooting a kelp forest film makes that virtually impossible with the exception of a few shots. But again your point is understood.
    John Friday
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  9. #9  
    Senior Member Pawel Achtel's Avatar
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    Weren't all 3D films that Bob Cranston and Howard Hall ever made shot with parallel side-by-side rigs?
    Pawel Achtel B.Eng(Hons) M.Sc
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  10. #10  
    Senior Member Johnny Friday's Avatar
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    Pawel,
    thank you for your input, but can you kindly refrain from derailing this thread sir. Your system is wonderfully put together and success with it.

    Quote:
    Weren't all 3D films that Bob Cranston and Howard Hall ever made shot with parallel side-by-side rigs?Y

    ...Yes, they were, but in case you did not see them, the subject material was very specific and well thought out to accommodate the best use of the Solido side by side system. As you pointed out earlier, they chose many scenes with little or no signifcant background to cause paralax. You could hardly make a kelp film with that same rig. The beam splitter obviously just gives you "another" option. Not the only one, just another choice is all.
    John Friday
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