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Tuesday, August 04, 2009

Filed under: CamerasProductionTips

My First Shoot with the Canon 5D

Art Adams | 08/04

For a still camera it shoots pretty nice HD

My first experience with the 5D involved shooting a spec spot for director Simon Sommerfeld. Simon normally works as a DP, but when a client of his asked him to direct a short piece to help sell a TV ad campaign to the client’s board of directors, Simon jumped at the chance to use his 5D to tell the story. And it was my great good luck that he asked me to shoot it for him.

Initially we puzzled over the camera, trying to discern what settings belonged where in movie mode. We knew that there was a way to drill deep into the engineering menus and create a look but we didn’t know how to do it. Simon poured through user groups looking for tips, and he found some settings that seemed to yield a nice flat image suitable for capturing the widest range of contrast possible for post color correction. These same settings also kept detail enhancement low, which is always a benefit in HD: an overly-aggressive detail circuit can be very unflattering to flesh tones and can result in a “newsy” look. Detail can always be added later, if needed, but it can’t be removed.

(I’m trying to get more details out of Canon as to how one creates custom movie mode settings. Anecdotal evidence points to using Canon desktop software to create a look using a still image shot on the camera, and then saving the resulting look instructions to one of the camera’s built-in look memory slots.)

Judging exposure was both simple and complex. In movie mode the 5D offers no telemetry regarding exposure: no histogram, no zebras, nothing. (There is a hack that creates zebras in movie mode but it is not blessed by Canon.) It’s possible to see a histogram during playback, but without the benefit of clairvoyance that’s not a very helpful feature. What I discovered, though, is that the 5D’s LCD screen is actually quite accurate: it’s not perfect, but it is possible to judge exposure and contrast accurately. The best way to avoid clipping is to change the F-stop and watch for highlights that don’t change value, and then close down the exposure to taste. This procedure works fairly well but it does require post color correction.

Let me emphasize this: you should definitely plan on color correcting 5D footage. More on that later.

Focus is another matter. On the LCD screen, in movie mode, is a small box that can be moved around the frame using a joystick controller on the back of the camera. Placing it on an area of interest (usually a person’s eye) and hitting the magnify button yields what appears to be a pixel-for-pixel view of that part of the image. This is the only reliable way to set critical focus. It’s fairly simple to see when an object comes into focus, but not so simple to see whether focus tracks a moving object.

A fellow cinematographer gave me some advice: never shoot wider open than a F4, and shoot at F5.6 whenever possible—just to make sure focus holds, as I won’t know for sure it held until post. For the most part I followed that advice, although I occasionally snuck the aperture open to F2.8 for specific shots.

Turn the page for behind-the-scenes action…

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The Best of Stunning Good Looks

Art Adams | 08/30

A directory of my best articles, sorted by topic.

This entry is a guide to my best articles, sorted by topic. Enjoy!

ASSIMILATE Announces Breakthrough 48 FPS Playback of RAW RED EPIC Stereo Streams

PVC News Staff | 02/10

In SCRATCH and SCRATCH Lab

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ASSIMILATE, Inc today announced that SCRATCH® and SCRATCH Lab® version 6.1 have achieved never-before-seen performance levels in the playback of RED EPIC Stereo content. SCRATCH Lab now provides…

Gear In 60 Seconds – Nauticam NA-60D

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Getting watery trick shots with this DSLR housing

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Here’s another FreshDV Gear in 60 Seconds video, on the Nauticam NA-60D housing for…

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Very interesting article! Thanks for sharing

I’ve never seen anyone make the comment about the UDMA CF cards and writing… not that I think your comment is wrong, just the first I’ve seen of it and i’ll certainly investigate.

Posted by Mitch Aunger  on  08/04  at  12:34 PM


The 5D2 is an amazing video camera, but if only they could add 24p and zebra support with a new firmware, life will be complete. smile

Posted by Eugenia  on  08/04  at  12:37 PM


The UDMA comment came directly from a Canon rep.

You won’t get 24p in this camera ever. It’s a hardware/system clock issue. Zebras… apparently there’s a hack by some guy in Seattle that provides those, but Canon doesn’t endorse it.

Posted by Art Adams  on  08/04  at  01:06 PM


Stu at ProLost just posted a how-to today on setting up a flat image preset, you don’t need the canon software, you can do it all in-camera.

http://prolost.com/blog/2009/8/3/flatten-your-5d.html

You should also read cinema5d.com for more tips on using the 5DmkII.

Posted by Tom Frisch  on  08/04  at  03:14 PM


>You won’t get 24p in this camera ever.

Does this also come from a Canon rep? wink

>Zebras… apparently there’s a hack by some guy

I know of the third party firmware hack, but I really don’t like hacks, I really need in the cam itself.

Posted by Eugenia  on  08/04  at  05:16 PM


I have been told by a person who works at Canon that this camera is physically incapable of 24p.

And while that person said that they could not verify plans to develop a 24p camera, they also said that Canon would be crazy not to.

Posted by Art Adams  on  08/04  at  05:18 PM


Art,

Interesting about exact 30p and not 29.97p. I had read that the 5D really and truly records 29.97p but has incorrect metadata which makes its file show up as if it were 30p. I had also read that CineForm’s NeoScene (in the process of transcoding either to the CineForm códec or to ProRes422) corrects the metadata error while producing the target file with a proper listing at 29.97p. Any comments will be welcome!

Posted by Allan Tépper  on  08/05  at  08:12 AM


I’m guessing something about the system clock makes it impossible to do 24p (or 23.98p). The Canon rep I spoke to says there’s not a ton of processing power built into the camera, and using what there is allows them to do 30p HD but that’s it.

He also said that 24p/23.98p would require a physical redesign of the sensor package.

It might be similar to the Varicam: if you shoot “30p” you’re really recording 29.97p, because the system clock is 59.94hz. If you shoot PAL at 25p you have to set the system clock to exactly 60hz and restart the camera. The Canon isn’t set up to do that.

Posted by Art Adams  on  08/05  at  12:08 PM


In my experience the 5D records 30P not 29.97p.  When I tested NeoScene I experienced audio drift on long clips due to it’s retiming from 30P to 29.97p.

Posted by Tom Frisch  on  08/05  at  12:20 PM


> system clock makes it impossible to do 24p (or 23.98p)

Yeah, that makes sense. They make everything work synchronously, and can’t change the master clock.

I guess, we need to wait for the 5D-MarkIII to get what we want (both 24p/30p, along with some better zebra/AF support).

Posted by Eugenia  on  08/05  at  03:17 PM


As for zebra bar support, the “unsupported hack” Art mentions is Magic Lantern:

http://magiclantern.wikia.com/wiki/FAQ

(Others have fortunately reported good success with it so far…)

Posted by Chris Meyer  on  08/09  at  03:10 PM


Physically changing and setting the exposure isn’t hard to do. Determining whether it’s the right exposure is the trick. Without zebras or a histogram it’s hard to find that sweet spot where the camera can hold the widest range of exposure without clipping.

Posted by Chris Meyer  on  08/09  at  04:44 PM


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The Best of Stunning Good Looks

Art Adams | 08/30

A directory of my best articles, sorted by topic.

This entry is a guide to my best articles, sorted by topic. Enjoy!

ASSIMILATE Announces Breakthrough 48 FPS Playback of RAW RED EPIC Stereo Streams

PVC News Staff | 02/10

In SCRATCH and SCRATCH Lab

image

ASSIMILATE, Inc today announced that SCRATCH® and SCRATCH Lab® version 6.1 have achieved never-before-seen performance levels in the playback of RED EPIC Stereo content. SCRATCH Lab now provides…

Gear In 60 Seconds – Nauticam NA-60D

Matt Jeppsen | 02/09

Getting watery trick shots with this DSLR housing

image

Here’s another FreshDV Gear in 60 Seconds video, on the Nauticam NA-60D housing for…

Redrock Micro’s ultraCage for the C300

Clint Milby | 02/07

New Cage Fits New Camera Like A Glove

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At the 11th Annual San Francisco SuperMeet, I was able to actually lay hands on the

To be considered for listing, contact pr (at) provideocoalition (dot) com


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