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Which HD for Feature Film? your choice.


Guest Kal Karman

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Guest kalkarman

It looks like i'll be directing a feature film that will be released in cinemas, dvd & TV.

 

I would like your opinion on which HD camera could/should be considered for the job.

 

I will have a proper budget, but nothing on a blockbuster scale. I need interchangeable

lenses and variable frame speed.

 

A side question is: of the camera you advise, what is the dimension of the frame it produces?

 

Many thanks,

 

Kal Karman

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Hi,

 

You're not being very specific so I'll give you two options at either end of the scale. Probably the best camera system out there is the Thompson Viper, which you can use with either conventional ENG style zoom lenses. Beware the S.Two recording system that you're liable to be offered to go with it, though - I have serious reservations about it. That's a full 1920x1080 HD camera, and it can also do 1920x1080 in 2.35:1 cinemascope too. Not cheap.

 

My personal favourite of the current lower end stuff is the JVC GY-HD100. Look out also for the HD250, which has HD-SDI outputs; you might even choose to record it onto something other than HDV.

 

But really, I don't know what level you're pitching this at.

 

Phil

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I guess the question that begs asking is that if are you forced to shoot on HD. Because if the film is to be released theatrically, shooting on film would make sense too, especially since you say you have a budget.

 

As for HD cameras, I am not a big fan of 3 chip cameras, their bokeh is appaling. I hate the magenta/green fringes on high contrast out-of-focus parts. There are some 1 chip HD camera, like the Arri D-20 and Genesis that give you 35mm depth of field and don't have this problem. But if you can afford those, especially the Genesis, you might as well shoot 35mm, which still gives a better picture. Otherwise the Silicon Imaging HD camera looks like a cheaper option than those aforementioned.

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Hi,

 

Beware the S.Two recording system that you're liable to be offered to go with it, though - I have serious reservations about it.

Phil

 

 

Not to thread jack, but Phil, can you go into full detail about your reservations about the S.Two? I had a recent demo of the Viper and S.Two at the Camera House and I left very impressed with the set up and the workflow, however seeing that you've worked with it first hand on an extended period of time I'm looking forward to hearing your comments

 

Thanks in advance.

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Uses RAID-0 on the record array - so the entire system is one sixth as reliable as a hard disk (this is utter insanity). Lose one drive, lose the mag.

 

The control system is a windows laptop. They're very very stingy about giving out the control software, so you can't easily set up a backup on your personal lappy. Now the system is as reliable as one laptop times one sixth of a hard disk.

 

The control architecture is abysmal. It's an X application running under Cygwin on a Windows laptop connected via Ethernet to the recorder. This is just complete obdurate insanity; it's like they came up with the ricketiest, flakiest possible pile of software out of spite. It fails a lot. Why they don't just connect a keyboard and monitor to the recorder (which is just a PC in a box marked "NOT A PC") is beyond me. It would remove at least four single points of failure, all of which failed for me at least once and many weekly.

 

It's so poorly written that if you close a window - yes, just close a window - by any other method than clicking "cancel" (such as clicking the X in the top right, hitting ALT-F4, etc) it has to be restarted. There are a half dozen other bugs like this that you just have to throw the habits of a career aside to avoid. I know exactly why this happens, for what it's worth, and I know exactly what coding mistakes have been made to ensure that it happens, and... words fail me.

 

It runs Red Hat Linux. Not a tweaked, trimmed-down red hat linux. All of it. It runs the printer drivers. It runs the network time updater. It runs every damn thing, and therefore takes two or three minutes to restart. And it restarts a lot.

 

It constantly drops out of E-E monitoring when performing basic tasks like renaming slates, resulting in screams of "where's the picture" from all over the stage.

 

Scene/slate numbering updates do not operate across reel changes (after the first reel, all scene/slates must be manually numbered). This is a hopelessly basic mistake.

 

A lot of the time it crashes why trying to rename any shot over a few seconds in length. Yes, this means it crashes when you try to renumber the take that wasn't properly numbered by the automatic system.

 

Because it records DPX sequences (rather than obviously superior alternatives) it has to make filename and header changes to one file for every frame of the sequence. Therefore, renumbering the slate that wasn't properly numbered, if it doesn't crash, takes minutes on end.

 

There is no way to move takes between scenes, creating a paperwork nightmare for the sound and continuity departments if any mistakes are made. This is made more likely by the fact that the wrong scene bin will sometimes be highlighted before hitting "record".

 

The backup to LTO procedure is unreliable if you change magazines in the backup device once it's been cached; this effectively halves the backup speed from published spec. If this fault does occur, it's an engineering task to make the device work again.

 

The tarmaps are in a proprietary format, requiring every facility to produce custom code to read them. This would be OK, since there is no standard way of doing this, but it could at least be XML and thereby readable and editable by a lot of preexisting software - it's just a bunch of unmarked text.

 

A lot of the time it crashes on recording the first take of a new reel. Which of course is just a wonderful moment for a failure when you've just been holding up shooting to change mags.

 

The windows laptop is connected via ethernet to the recorder. Now the system is as reliable as two RJ-45 connectors which were designed to hold office networks together, are rated for a tiny number of insertions, and are insulation-displacement connected to a solid core cable designed for permanent installation.

 

In short you would be vastly better off just running a Windows PC with an Aja Xena 2Ke board in it and the Machina software that comes with it, and knock up a quick script to TAR frames as they're recorded and begin trickling them off to LTO. You'd have to be some kind of basically competent computer user to use it, but at least that much is required for S.Two. I found myself using Linux shell commands daily just to get around the faults.

 

The current S.Two DFRs fail doubly - they're not simple enough for non computer people to use, but they hide too much of the technology behind bad software for an experienced computer person to really be able to get much out of it. So you need an experienced technician, but you won't actually be able to use him and he'll live in a world of frustration.

 

There's also some other things I dislike about S.Two. They claim the system is battery-powerable, which is a pretty laughable idea for something running two Xeon processors that pull at least 80W apiece and another seven hard disks at about 15W each, which you can't turn off between takes. The manuals were written by the designer of the system, which is a cardinal error. They're claiming the term "digital field recorder" as a trademark as if they thought of it. And they don't consider the RAID-0 problem to be an issue at all, which is an approach based on nothing more than the fact that nothing bad has happened - yet.

 

Unfortunately the market is uncontested. God help us all.

 

Phil

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I would suggest recording to HDCam SR 4:4:4 RGB Log. Sony camera mountable SR recorder is a much better solution than running cables to a computer. Makes it easier in post and I don't that you would lose anything. I understand on Miami Vice they ended up dumping the S.2 and going to SR because they had so many problems with it. As for the camera, you basically have F900, Viper and the Genesis. They're all 1920x1080. Genesis let's you use film lenses. I hear there are some noise issues.

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Hi,

 

I don't think there's any real substitute for genuine uncompressed recording, and HDCAM-SR can't give you that. That said, I hope S.Two doesn't become the de facto way of doing it, or at least, they buck their ideas up.

 

The difference between the F900 and the Viper is rather pronounced; Viper is not the quietest picture in the world but the dynamic range is very good.

 

Phil

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Hi,

 

I don't think there's any real substitute for genuine uncompressed recording, and HDCAM-SR can't give you that.

 

Unless you're shooting with a camera that can deliver more than HD resolution (i.e., something that's not limited to 1920x1080), there's no qualitative or quantitative difference between "uncompressed" and SR's compression, other than the fact that using SR is simpler, more portable, and arguably more reliable. Not as flexible, but more reliable. Many, many tests have been done using difference mattes on 20+ generations of SR encoding and none have shown any difference whatsoever, at the pixel level. You may have a personal issue with it due to some devotion to being a purist - and I understand that - but empirical evidence has proven that your fears are unfounded. I think the SR format would have been better off had Sony not chosen to attach the "HDCam" moniker to it, but that's marketing, not reality. Reality is that there is no similarity whatsoever between HDCam and HDCam SR other than the fact that they both use 1/2 inch tape.

 

Compression is a very good thing if there are no ill effects from it.

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As for the camera, you basically have F900, Viper and the Genesis. They're all 1920x1080. Genesis let's you use film lenses. I hear there are some noise issues.

 

Erm or a D20, which is in my opinion far surperior to any of these three, especially considering that you can use it with anamorphic lenses. I honestly don't know why anyone would choose a viper over a D20- I mean I like a lot about the viper, but do you actually want your options reduced? Gee I love that green cast, that delay in the digital viewfinder (i know its now marginal), the crappy build and weight distribution and hey lets limited my lens choices whilst I'm at it.

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Hi,

 

I'd take the Viper because it's a video camera and that's where my experience lies.

 

What bothers me about the D20 is that it is also a video camera but it's pretending to be a film camera, thus giving you the worst of both worlds as far as I'm concerned.

 

Phil

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There is no way to move takes between scenes, creating a paperwork nightmare for the sound and continuity departments if any mistakes are made. This is made more likely by the fact that the wrong scene bin will sometimes be highlighted before hitting "record".

Phil

 

 

I thought there was a modification made to the S.Two that allowed you to immediately delete bad takes [due to sound, continuity, acting, etc ] and the accompanying metadata?

 

BTW, Phil, thanks for your detailed post.

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What bothers me about the D20 is that it is also a video camera but it's pretending to be a film camera, thus giving you the worst of both worlds as far as I'm concerned.

 

Phil

 

Why? Because it has an optical viewfinder? Is it because it is made by Arri? Dont mean to be a pain, but am genuinely interested in what aspect you dislike about this camera.

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Hi,

 

> I thought there was a modification made to the S.Two that allowed you to immediately delete bad takes [due

> to sound, continuity, acting, etc ] and the accompanying metadata?

 

You can delete takes, but I take a very dim view of it. Nobody but nobody is objective enough to make those kinds of decisions on set. Considering what the footage is worth, which isn't that obvious when you've just shot it, that's a decision worth deferring. There isn't really any metadata other than what's in the DPX header.

 

> am genuinely interested in what aspect you dislike about this camera

 

Not that I've used it in anger.

 

It is big and heavy and boxy, difficult to hold. You have to bear in mind that the optical viewfinder just means I don't know where my exposure is with sufficient accuracy, it is not a plus for me. The PL lens mount just means it takes incredibly expensive lenses and I don't have a choice about that; at least on a Viper I can mount an ENG lens if I want to.

 

The insistence of film camera people on a camera with as many 90-degree angles on it as possible defeats me utterly.

 

This is not so much an issue of what's better but what you're more used to. From my perspective, there is nothing about a video camera that causes it to be a problem when used in single-camera, feature style shooting, but there's a ton of stuff that you can't change about a D20 which means it'll always be a bear to handle.

 

Phil

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You can delete takes, but I take a very dim view of it. Nobody but nobody is objective enough to make those kinds of decisions on set.

>

 

 

Well, I'm sure no director besides David Fincher would have the objectivity, cajones, inclination , much more the power and control to be able to do so on a feature.

 

 

 

Appreciate your comments.

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You have to bear in mind that the optical viewfinder just means I don't know where my exposure is with sufficient accuracy, it is not a plus for me.

 

Maybe for you. But for most professional operators, it means being able to accurately see focus, and more importantly, being able to see beyond the photographed frame, allowing better anticipation for both getting shots and avoiding problems. It has little to nothing to do with judging exposure.

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It looks like i'll be directing a feature film that will be released in cinemas, dvd & TV.

 

I would like your opinion on which HD camera could/should be considered for the job.

 

I will have a proper budget, but nothing on a blockbuster scale. I need interchangeable

lenses and variable frame speed.

 

A side question is: of the camera you advise, what is the dimension of the frame it produces?

 

Many thanks,

 

Kal Karman

 

 

What is your budget? A million? More perhaps? Truly, why not shoot film, all the color bandwith you can muster and in a universal format used the world over. Crews love it. My mom loves it. Everyone loves it. It looks great. If you are entertaining the idea of shooting on a Viper with an S. Two attached, you can afford to shoot 35 or super 16 with the largest shooting ratio ever and multi cam. Truly I ask, why not?

 

Chris

 

PS-- I like the look of the Varicam over the Cinealta

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Hello form Greece

 

As an alternative to S.2:

Five years ago this product link 1 product link 2 machine was demonstrated at IBC, but was 9/14/2001 so was passed unnoticed. I now the guy that build it. We are thinking to ask him to redesign it for us for use it with the new breed of cameras (RED, SI, Viper etc) in a combination with the technology of product link 3 but with AVID or FCP. We think to use it with our Varicam.

 

What do you thing about this ideas in HD 444 10bit Uncompressed and 6Tbytes Raid5 in a system so durable that you can also use it as a canoe? I have seen a video while they put the whole machine in to the sea and a guy get above it while the machine is floating!!! (It?s the MIL spec flight case that they use?)

 

Thanks in advance for the feedback ;)

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As for HD cameras, I am not a big fan of 3 chip cameras, their bokeh is appaling. I hate the magenta/green fringes on high contrast out-of-focus parts. There are some 1 chip HD camera, like the Arri D-20 and Genesis that give you 35mm depth of field and don't have this problem.

 

You're listing lens defects, not sensor issues. The OP already stated he required interchangeable lenses so hopefully one of his requirements is "quality interchangeable lenses".

 

On the topic of optical/digital viewfinders I'm personally more inclined towards the D20 way of doing things when it comes to the eye piece. If you need exposure information couldn't you just expose the sensor without recording to check a waveform monitor? I would be a bit nervous if I couldn't put the image up on some scopes before shooting, but I'm pretty sure this isn't the case. The good news in the EVF market is that camera companies are starting to make their sensors with a little bit of overscan beyond the recorded frame. I hope this trend continues in earnest. If I have to use an EVF it's the least they can do.

 

The cameras that currently are warranting some attention in my mind would be the: SI, D20, F900, Viper, Varicam and RED (if you aren't shooting for 12 months). I'm in pre-production right now for a film project but when that's done, I'm definitely going to take a long hard look at the SI and RED camera. The SI is putting out some really good footage right now, and it's very affordable, I highly recommend checking out their released test footage from "Spoon". My advice would be to go to your local rental house, tell them what you're doing and shake down all your options.

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You're listing lens defects, not sensor issues. The OP already stated he required interchangeable lenses so hopefully one of his requirements is "quality interchangeable lenses".

Magenta/green color fringes are not the result of bad lenses, but are an inheritant design drawback of 3 chip cameras with a prism block. Every 3 chip camera has those issues and they cannot get rid off. Using the best lenses in the world will not solve this problem, as evidenced by 'Miami Vice' where they shot on DigiPrimes and this color fringing was still very apparent.

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It looks like i'll be directing a feature film that will be released in cinemas, dvd & TV.

 

I would like your opinion on which HD camera could/should be considered for the job.

 

I will have a proper budget, but nothing on a blockbuster scale. I need interchangeable

lenses and variable frame speed.

 

A side question is: of the camera you advise, what is the dimension of the frame it produces?

 

Many thanks,

 

Kal Karman

 

Just out of curiocity, why do you wish to shoot it on HD? For a specific look?

 

Have you discussed this whith any possible DPs yet?

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